{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103932", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-01T14:20:19.156Z", "datePublished": "2026-11-05T15:42:46.251Z", "dateUpdated": "2026-11-05T15:42:46.251Z"}, "containers": {"cna": {"title": "ModSecurity: PCRE2 `@rxGlobal` match-limit errors are converted to no-match", "problemTypes": [{"descriptions": [{"cweId": "CWE-253", "lang": "en", "description": "CWE-253: Incorrect Check of Function Return Value", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-5m93-4h75-3p2w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-5m93-4h75-3p2w"}, {"name": "https://github.com/owasp-modsecurity/ModSecurity/commit/d92bdc3b2183824ba3c582154b7385ee8349ea7e", "tags": ["x_refsource_MISC"], "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/d92bdc3b2183824ba3c582154b7385ee8349ea7e"}, {"name": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.17", "tags": ["x_refsource_MISC"], "url": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.17"}], "affected": [{"vendor": "owasp-modsecurity", "product": "ModSecurity", "versions": [{"version": ">= 3.0.5, < 3.0.17", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T15:42:46.251Z"}, "descriptions": [{"lang": "en", "value": "ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.5 until 3.0.17, the PCRE2 implementation of @rxGlobal in src/utils/regex.cc converts pcre2_match match-limit errors into an ordinary no-match result instead of propagating a non-OK RegexResult. When attacker-controlled input exhausts SecPcreMatchLimit, rules that rely on MSC_PCRE_LIMITS_EXCEEDED or its TX compatibility indicator do not run, so a request that should be rejected can pass through the WAF. The issue affects PCRE2 deployments that use @rxGlobal with a limit-exhaustible expression and a compensating rule; it is not a universal WAF bypass. This issue is fixed in version 3.0.17."}], "source": {"advisory": "GHSA-5m93-4h75-3p2w", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "ModSecurity", "vendor": "owasp-modsecurity", "versions": [{"status": "affected", "version": ">= 3.0.5, < 3.0.17"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.5 until 3.0.17, the PCRE2 implementation of @rxGlobal in src/utils/regex.cc converts pcre2_match match-limit errors into an ordinary no-match result instead of propagating a non-OK RegexResult. When attacker-controlled input exhausts SecPcreMatchLimit, rules that rely on MSC_PCRE_LIMITS_EXCEEDED or its TX compatibility indicator do not run, so a request that should be rejected can pass through the WAF. The issue affects PCRE2 deployments that use @rxGlobal with a limit-exhaustible expression and a compensating rule; it is not a universal WAF bypass. This issue is fixed in version 3.0.17."}], "id": "CVE-2026-103932", "lastModified": "2026-11-05T16:17:24.900", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-05T16:17:24.900", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/d92bdc3b2183824ba3c582154b7385ee8349ea7e"}, {"source": "security-advisories@github.com", "url": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.17"}, {"source": "security-advisories@github.com", "url": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-5m93-4h75-3p2w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-253"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-11-05T16:30:12.537839+00:00", "updated": "2026-11-05T16:30:12.537853+00:00", "vendors": []}