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[UPDATE] [medium] Apache Tomcat: Vulnerability enables bypass of security measures

medium
A remote, anonymous attacker can exploit a vulnerability in Apache Tomcat to bypass security measures.

CSIRTS triage

vendor: Apacheproduct: TomcatAuthentication bypass
What
A vulnerability in Apache Tomcat enables remote bypass of security measures.
Who is affected
Apache Tomcat deployments running affected versions.
Urgency
Medium severity security bypass requires timely patching to maintain access control effectiveness.
Action
Apply Apache Tomcat security updates addressing the security measure bypass vulnerability.

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

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-08-03
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2609

Recent advisories for Apache Tomcat

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories