CVE-2026-42268
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception (std::out_of_range) caused by unsigned integer underflow in libmodsecurity3 if the user (administrator) uses a rule any of @verifySSN, @verifyCPF, or @verifySVNR. This vulnerability is fixed in 3.0.15.
- Affected products
- Modsecurity
- Owasp Modsecurity
- < 3.0.15
- Fix
- Available
- CVSS 4.0
- 8.2 HIGH
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.4% (32th percentile)
- Weakness
- CWE-191, CWE-248
- NVD status
- Analyzed
- Published
- 2026-05-12
CVE-2026-42268 at NVD
No indexed exploits for CVE-2026-42268 yet
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No exploit for CVE-2026-42268 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.