[UPDATE] [high] OWASP ModSecurity: Multiple vulnerabilities allow bypassing of security measures

A remote, anonymous attacker can exploit multiple vulnerabilities in OWASP ModSecurity to bypass security measures.

CSIRTS triage

What: Multiple vulnerabilities allow a remote attacker to bypass security measures.
Who is affected: Remote, anonymous users of OWASP ModSecurity are affected.
Urgency: Remediation is high urgency due to the potential for security measure bypass.
Action: Update ModSecurity to the latest version to mitigate these vulnerabilities.

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

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-527470.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.
Low exploitation riskCVE-2026-527610.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-52747	coverage & exploitation status	NVD · CVE.org
CVE-2026-52761	coverage & exploitation status	NVD · CVE.org

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.