CVE-2026-5680Undertow-core: undertow: denial of service via websocket permessage-deflate processing
- 7.5HighCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 34% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory consumption due to the PerMessageDeflateFunction.largerBuffer() method using exponential doubling, resulting in a Denial of Service (DoS) for the affected application.
Timeline
ID reserved
By redhat
- 5 months later
· 5 months later
Published
- 2 months later
· 2 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Awaiting Analysis | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1.8.GA
- unaffected 2.3.26.SP3-redhat-00001 – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.40.0-8.redhat_00024.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.1.7-1.SP1_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.0.5-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:1.85.0-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:1.2.7-1.redhat_00002.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:801.8.0-1.GA_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:6.6.54-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.1.5-5.redhat_00008.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.0.22-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.18.9-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.0.5-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.0.7-4.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.1.0-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.6.3-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:5.0.31-1.SP2_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.1.0-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.2.0-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:7.4.0-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.0.1-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:5.1.0-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.0.11-2.SP1_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.25.4-1.redhat_00003.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.2.2-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.1.136-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:4.1.136-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:9.37.4-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:1.1.9-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.0.6-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.0.18-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.3.26-2.SP3_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:8.1.8-9.GA_redhat_00006.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.6.11-1.Final_redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:8.1.1-12.GA_redhat_00048.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:2.3.2-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
- unaffected 0:3.0.6-1.redhat_00001.1.el10eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.40.0-8.redhat_00024.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.1.7-1.SP1_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.0.5-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:1.85.0-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:1.2.7-1.redhat_00002.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:801.8.0-1.GA_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:6.6.54-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.1.5-5.redhat_00008.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.0.22-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.18.9-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.0.5-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.0.7-4.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.1.0-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.6.3-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:5.0.31-1.SP2_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.1.0-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.2.0-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:7.4.0-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.0.1-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:5.1.0-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.0.11-2.SP1_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.25.4-1.redhat_00003.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.2.2-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.1.136-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:4.1.136-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:9.37.4-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:1.1.9-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.0.6-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.0.18-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.3.26-2.SP3_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:8.1.8-9.GA_redhat_00006.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.6.11-1.Final_redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:8.1.1-12.GA_redhat_00048.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:2.3.2-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
- unaffected 0:3.0.6-1.redhat_00001.1.el8eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.40.0-8.redhat_00024.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.1.7-1.SP1_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.0.5-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:1.85.0-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:1.2.7-1.redhat_00002.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:801.8.0-1.GA_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:6.6.54-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.1.5-5.redhat_00008.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.0.22-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.18.9-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.0.5-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.0.7-4.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.1.0-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.6.3-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:5.0.31-1.SP2_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.1.0-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.2.0-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:7.4.0-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.0.1-1.Final_redhat_00001.1el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:5.1.0-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.0.11-2.SP1_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.25.4-1.redhat_00003.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.2.2-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.1.136-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:4.1.136-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:9.37.4-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:1.1.9-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.0.6-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.0.18-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.3.26-2.SP3_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:8.1.8-9.GA_redhat_00006.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.6.11-1.Final_redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:8.1.1-12.GA_redhat_00048.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:2.3.2-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
- unaffected 0:3.0.6-1.redhat_00001.1.el9eap – < *
Red Hat · Red Hat build of Apache Camel for Spring Boot 4
All versions: affected
Red Hat · Red Hat build of Apache Camel - HawtIO 4
All versions: unaffected
All versions: affected
Red Hat · Red Hat Enterprise Linux 10
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
All versions: unaffected
Red Hat · Red Hat JBoss Enterprise Application Platform 7
All versions: affected
Red Hat · Red Hat JBoss Enterprise Application Platform 8
All versions: affected
Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack
All versions: affected
Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack
All versions: affected
Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack
All versions: unaffected
Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack
All versions: unaffected
Red Hat · Red Hat Process Automation 7
All versions: affected
Red Hat · Red Hat Single Sign-On 7
All versions: affected
What to do
Workaround: To mitigate this issue, configure the PerMessageDeflateHandshake to limit the maximum decompressed buffer size. This can be achieved by setting the maxDecompressedBufferSize parameter to a reasonable value (e.g., 10 MB) in the PerMessageDeflateHandshake constructor. This action may require a restart of the affected application or service to take effect.
References
References6
- RHSA-2026:70228 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:70229 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:70230 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:70277 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-5680 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2455350 (opens in a new tab)issue-trackingx_refsource_REDHAT
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-67086 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-5680)Record last updated .