CVE-2026-11710 json
IBM WebSphere Application Server is affected by an HTTP request smuggling vulnerability
published last mo. modified last mo. also EUVD-2026-83287
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling vulnerability due to improper handling of Content-Length headers.
Patch / fix
- ibm.com/support/pages/node/7286731 advisory
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N |
Affected products
- IBM WebSphere Application Server
Classification
- Weakness
-
- CWE-444 Inconsistent Interpretation of HTTP Requests
References
-
ibm.com
/support/pages/node/7286731
vendor-advisory, patch
Sources
- CVE List CVE-2026-11710
- NVD CVE-2026-11710
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