CVE-2026-53434
An attacker can exploit multiple vulnerabilities in Apache Tomcat to bypass security measures, cause a Denial-of-Service condition, conduct Cross-Site Scripting attacks, or trigger other unspecified impacts.
CSIRTS triage
- What
- Multiple vulnerabilities have been identified.
- Who is affected
- Users of Apache Tomcat are affected.
- Urgency
- Remediation is necessary as vulnerabilities could be exploited in the future.
- Action
- Monitor for updates from Apache.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
Advisory coverage (4)
- medium[UPDATE] [medium] Apache Tomcat: Multiple vulnerabilitiescert-bund · 2026-07-09
- unknownApache Tomcat Multiple Vulnerabilitieshkcert · 2026-07-02
- unknownMultiple vulnerabilities in Apache Tomcat (June 30, 2026)cert-fr-avis · 2026-06-30
- criticalCVE-2026-53434: Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CR…nvd · 2026-06-29
External references
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