CVE-2026-1561

mediumcovered by 1 sourcefirst seen 2026-07-23

A remote, authenticated attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server Liberty to elevate their privileges, bypass security measures, and disclose information.

CSIRTS triage

What: Multiple vulnerabilities allow a remote, authenticated attacker to elevate privileges, bypass security measures, and disclose information.
Who is affected: Authenticated users of IBM WebSphere Application Server Liberty are affected.
Urgency: Remediation is medium urgency due to the potential for privilege escalation and information disclosure.
Action: Apply the latest updates to address these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.

Advisory coverage (1)

medium[UPDATE] [medium] IBM WebSphere Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-07-23

External references

NVD record for CVE-2026-1561

CVE.org record

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