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TI-2026-07589 Aliases CVE-2026-8633GHSA-536c-j2qm-3hw6

Code injection in IBM Web Server Plug-ins for WebSphere Application Server and WebSphere…

Priority MEDIUM 51CWE-94Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.

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 remote code execution 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 0.00931 60th 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
Yes
Technical impact
Total

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—No fix listedCNA
  • Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty VendorIBM Affected 8.5, 9.0 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*8.5.0.0 – 8.5.5.29VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*8.5.0.0 – 8.5.5.29VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*9.0.0.0 – 9.0.5.27VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*9.0.0.0 – 9.0.5.27VulnerableIBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:* Versions 8.5.0.0 – 8.5.5.29 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:* Versions 8.5.0.0 – 8.5.5.29 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:* Versions 9.0.0.0 – 9.0.5.27 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:* Versions 9.0.0.0 – 9.0.5.27 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-2026-07576 IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by…Priority LOW 33

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8633
  2. 2026-10-03 Alias added: GHSA-536c-j2qm-3hw6

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