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Vulnerabilities

Vulnerability · CVE-2026-11713

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

Published Oct 13, 2026 · catalog updated Oct 14, 2026 · IBM WebSphere Application Server

Check if you run it

No confirmed exploitation is on record for CVE-2026-11713. EPSS is 0.18%. Act only if a listed version of IBM WebSphere Application Server is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (IBM WebSphere Application Server).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Not established
Affected products
See sources for product scope

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-11713

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-11713. EPSS is 0.18%. Act only if a listed version of IBM WebSphere Application Server is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-863: Incorrect Authorization. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · Catalog

    Detected

    IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

  2. Oct 14, 2026 · NIST NVD

    Updated

    IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

Sources

  • CVE.orgVulnerability recordCVE-2026-11713

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-11713

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-11713

    IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

    nvd.nist.gov
  • Tenable CVE DatabaseVulnerability recordCVE-2026-11713

    IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

    tenable.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.