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VulnerabilityPublished

CVE-2026-11547: IBM WebSphere Application Server – Liberty · Server-Side Request Forgery

Affects IBM WebSphere Application Server – LibertySource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium.

Data as of 8 Nov 2026, 17:20 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ibm)CVSS 3.14.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
IBMWebSphere Application Server - LibertyAffected
  • >=17.0.0.3 <=26.0.0.10
Fixed in–

CPE configurations (2)

  • cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*

AI-suggested

Until an official fix is available, restrict access to the Admin Center deploy validation endpoint to trusted users only and monitor for suspicious activity related to SSRF attempts.

Description

IBM WebSphere Application Server Liberty versions 17.0.0.3 through 26.0.0.10 contain a server-side request forgery (SSRF) vulnerability in the Admin Center deploy validation endpoint. This flaw allows an attacker with limited privileges to induce the server to make unintended requests. The vulnerability has a medium severity rating with a CVSS score of 4.3. No public exploits or known active exploitation have been reported. No patch or remediation details are provided in the available data.

References

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