Incorrect authorization in IBM WebSphere Application Server Liberty
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
IBM WebSphere Application Server - Liberty from 17.0.0.3 through 26.0.0.9 is affected when the restConnector-2.0 feature is enabled. An incorrect authorization flaw (CWE-863) lets a low-privileged user escalate privileges over the network. The sources do not report exploitation.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | WebSphere Application Server - Liberty | 17.0.0.3 – 26.0.0.9 | — | No fix listed | CNA |
- WebSphere Application Server - Liberty VendorIBM Affected 17.0.0.3 – 26.0.0.9 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for IBM WebSphere Application Server - Liberty.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
IBM WebSphere Application Server - Liberty — ibm.com/support/pages/node/7291394
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2026-73462 Information disclosure in IBM WebSphere Application Server LibertyPriority LOW 29
- TI-2026-73505 Improper certificate checks in IBM WebSphere Liberty admin clientPriority LOW 28
- TI-2026-73509 Path traversal in IBM WebSphere Application Server LibertyPriority LOW 24
Timeline
- 2026-10-13 Threatist record created from CVE-2026-11713
- 2026-10-13 Alias added: GHSA-wp7q-jrp6-gm2m
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-10-18 CISA SSVC decision points changed
References
More IBM vulnerabilities
- TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
- TI-2022-23774 IBM Aspera Faspex code execution KEVCVSS 3.1CRITICAL 9.8
- TI-2020-03794 Improper authentication in IBM Data Risk Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2019-03441 Code injection in IBM Planning Analytics KEVCVSS 3.1CRITICAL 9.8
- TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-11713 · CVE Program
- CVE-2026-11713 · NVD
- FIRST EPSS
- GHSA-wp7q-jrp6-gm2m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences