{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61813", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T20:17:57.991Z", "datePublished": "2026-11-05T15:48:15.062Z", "dateUpdated": "2026-11-05T15:48:15.062Z"}, "containers": {"cna": {"title": "ModSecurity: Incorrect libcurl TLS hostname verification setting in HttpsClient::download", "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "lang": "en", "description": "CWE-295: Improper Certificate Validation", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-2vqc-36qp-ccmw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-2vqc-36qp-ccmw"}, {"name": "https://github.com/owasp-modsecurity/ModSecurity/commit/cce204806430e4848327aadeb9113e654631a0c1", "tags": ["x_refsource_MISC"], "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/cce204806430e4848327aadeb9113e654631a0c1"}, {"name": "https://github.com/owasp-modsecurity/ModSecurity/commit/edca70d853bfb725325137fa40d178beebc324fc", "tags": ["x_refsource_MISC"], "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/edca70d853bfb725325137fa40d178beebc324fc"}, {"name": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v2.9.15", "tags": ["x_refsource_MISC"], "url": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v2.9.15"}, {"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": "< 2.9.15", "status": "affected"}, {"version": ">= 3.0.0, < 3.0.17", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T15:48:15.062Z"}, "descriptions": [{"lang": "en", "value": "ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Prior to 2.9.15 and 3.0.17, the HttpsClient::download function in src/utils/https_client.cc sets libcurl CURLOPT_SSL_VERIFYHOST to 1 instead of the strict value 2L. Under adversary-in-the-middle and TLS interception conditions, this non-strict setting may weaken TLS peer identity validation and increase the risk of accepting a certificate for an unintended host. End-to-end exploitation is non-trivial in typical environments. This issue is fixed in versions 2.9.15 and 3.0.17."}], "source": {"advisory": "GHSA-2vqc-36qp-ccmw", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "ModSecurity", "vendor": "owasp-modsecurity", "versions": [{"status": "affected", "version": "< 2.9.15"}, {"status": "affected", "version": ">= 3.0.0, < 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. Prior to 2.9.15 and 3.0.17, the HttpsClient::download function in src/utils/https_client.cc sets libcurl CURLOPT_SSL_VERIFYHOST to 1 instead of the strict value 2L. Under adversary-in-the-middle and TLS interception conditions, this non-strict setting may weaken TLS peer identity validation and increase the risk of accepting a certificate for an unintended host. End-to-end exploitation is non-trivial in typical environments. This issue is fixed in versions 2.9.15 and 3.0.17."}], "id": "CVE-2026-61813", "lastModified": "2026-11-05T16:17:47.797", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-05T16:17:47.797", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/cce204806430e4848327aadeb9113e654631a0c1"}, {"source": "security-advisories@github.com", "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/edca70d853bfb725325137fa40d178beebc324fc"}, {"source": "security-advisories@github.com", "url": "https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v2.9.15"}, {"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-2vqc-36qp-ccmw"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.9.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.0.17)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ModSecurity", "source": "cna", "vendor": "owasp-modsecurity"}, "product": "modsecurity", "vendor": "modsecurity"}], "created": "2026-11-05T17:45:06.313105+00:00", "updated": "2026-11-05T18:00:20.450041+00:00", "vendors": ["modsecurity", "modsecurity$PRODUCT$modsecurity"]}