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TI-2026-07576 Aliases CVE-2026-8620GHSA-qwgm-xj6f-w5v6

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by…

Priority LOW 33CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00279 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
IBMWeb Server Plug-ins for WebSphere Application Server and WebSphere Liberty8.5, 9.0 – Interim Fix 002—No fix listedCNA
  • Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty VendorIBM Affected 8.5, 9.0 – Interim Fix 002 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*8.5.0.0 to before 8.5.5.30VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*8.5.0.0 to before 8.5.5.30VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*9.0.0.0 to before 9.0.5.28VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*9.0.0.0 to before 9.0.5.28VulnerableIBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:* Versions 8.5.0.0 to before 8.5.5.30 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:* Versions 8.5.0.0 to before 8.5.5.30 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:* Versions 9.0.0.0 to before 9.0.5.28 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:* Versions 9.0.0.0 to before 9.0.5.28 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty — ibm.com/support/pages/node/7274072

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-07589 Code injection in IBM Web Server Plug-ins for WebSphere Application Server and WebSphere…Priority MEDIUM 51

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8620
  2. 2026-10-03 Alias added: GHSA-qwgm-xj6f-w5v6

References

  • 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
See all 502 →

Sources