CVE-2025-36038IBM WebSphere Application Server code execution
- 9.0CriticalCVSS base score
- 13.3%Exploitation in 30 daysEPSS · top 3.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.
Timeline
ID reserved
By ibm
- 2 months later
· 2 months later
Published
- 8 months later
· 8 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 |
|---|---|---|---|
| ibmCNA (assigner) | 3.1 | Critical9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 13.3% · top 3.5% of all CVEs (12 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: Critical 9.0.
Affected products
IBM · WebSphere Application Server
- affected 8.5
- affected 9.0
What to do
Solution: For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.24: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH66674 --OR-- · Apply Fix Pack 9.0.5.25 or later (targeted availability 3Q2025). For V8.5.0.0 through 8.5.5.27: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH66674 --OR-- · Apply Fix Pack 8.5.5.28 or later (targeted availability 3Q2025). Additional interim fixes may be available and linked off the interim fix download page.
References
References1
- https://www.ibm.com/support/pages/node/7237967 (opens in a new tab)vendor-advisorypatch
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-2025-19137 (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-2025-36038)Record last updated .