Vulnerability in IBM WebSphere Application Server

[ Description ]Official description

IBM WebSphere Application Server 8.5, and 9.0 could allow a remote attacker to bypass authentication by exploiting a flaw in the CSIv2 inbound propagation handler.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR16 Oct 2026CERTFR-2026-AVI-1336

  Multiple vulnerabilities in IBM products Translated from French

  Multiple vulnerabilities have been discovered in IBM products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.

  CVE-2026-14671CVE-2026-11548CVE-2022-22950+490 more CVEs
• BSI CERT-Bund13 Oct 2026WID-SEC-2026-3927

  IBM WebSphere Application Server and Liberty: Multiple vulnerabilities Translated from German

  CVE-2026-103499CVE-2026-93907CVE-2026-17615+1 more CVEs

[ References ]References

• www.ibm.com/support/pages/node/7292216