CVE-2026-1784Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
- 8.8HighCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 91% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The Route OpenShift resource allows to define routes to make pods reachable at a subdomain through HAProxy. It was found that the checks performed on the spec.path YAML stanza in a Route document was insufficient and could allow a controlled injection of the HAProxy configuration.
Timeline
ID reserved
By redhat
- 4 months later
· 4 months later
Published
- 4 months later
· 4 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 | High8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| redhat-SADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
Red Hat · Red Hat OpenShift Container Platform 4.12
- unaffected 1789911929 – < *
Red Hat · Red Hat OpenShift Container Platform 4.13
- unaffected 1781123014 – < *
Red Hat · Red Hat OpenShift Container Platform 4.14
- unaffected 1781870101 – < *
Red Hat · Red Hat OpenShift Container Platform 4.15
- unaffected 1781928857 – < *
Red Hat · Red Hat OpenShift Container Platform 4.16
- unaffected 1780962617 – < *
Red Hat · Red Hat OpenShift Container Platform 4.18
- unaffected 1780988280 – < *
Red Hat · Red Hat OpenShift Container Platform 4.19
- unaffected 1780043338 – < *
Red Hat · Red Hat OpenShift Container Platform 4.20
- unaffected 1780990977 – < *
Red Hat · Red Hat OpenShift Container Platform 4.21
- unaffected 1780444348 – < *
References
References12
- RHSA-2026:23241 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:23246 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:25045 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:25182 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:25194 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:26543 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:28893 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:28964 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2026:70647 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-1784 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2436075 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1784.json (opens in a new tab)x_sadp-csaf-vex
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-2026-33883 (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-2026-1784)Record last updated .