IBM WebSphere Application Server Liberty denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
IBM WebSphere Application Server - Liberty versions 20.0.0.12 through 26.0.0.10 contain a flaw where an uncaught exception occurs. A remote attacker can exploit this without authentication to cause a denial of service, as classified under CWE-400.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow a remote attacker to cause a denial of service due to an uncaught exception.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
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/7292228
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-73535 Incorrect authorization in IBM WebSphere Application Server LibertyPriority MEDIUM 41
- TI-2026-73525 Access control bypass in IBM WebSphere Application Server LibertyPriority MEDIUM 41
Timeline
- 2026-10-13 Threatist record created from CVE-2026-95696
- 2026-10-13 Alias added: GHSA-5fmc-fgcm-wfm8
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-23 CVSS score added · NVD
References
More IBM Websphere Application Server vulnerabilities
- TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
- TI-2010-00403 modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through… CVSS 2.0HIGH 10.0
- TI-2019-03185 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
- TI-2020-03809 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
- TI-2025-24648 IBM WebSphere Application Server code execution CVSS 3.1CRITICAL 9.8
- TI-2020-03807 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-95696 · CVE Program
- CVE-2026-95696 · NVD
- FIRST EPSS
- GHSA-5fmc-fgcm-wfm8 · 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