PatchTheCVEmodsecurity vulnerabilities and fixes
Recent CVEs affecting modsecurity, with upgrade or downgrade steps. 2 tracked.
modsecurity has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-07-10. Highest priority: CVE-2026-52747 (score 55/100).
- CVE-2026-52747 HIGH 8.6 UPGRADE ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx
- CVE-2026-52761 MEDIUM 5.8 UPGRADE ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx
FAQ
How do I fix modsecurity vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is modsecurity being exploited right now?
None of the tracked modsecurity CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which modsecurity CVE should I patch first?
CVE-2026-52747 currently ranks highest (55/100): ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx.