CVE-2026-102944

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102944", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T20:24:43.341Z", "datePublished": "2026-10-14T18:18:21.598Z", "dateUpdated": "2026-10-15T14:48:03.087Z"}, "containers": {"cna": {"title": "cpp-httplib: Cookie header leaked on cross-origin redirect", "problemTypes": [{"descriptions": [{"cweId": "CWE-522", "lang": "en", "description": "CWE-522: Insufficiently Protected Credentials", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv"}, {"name": "https://github.com/yhirose/cpp-httplib/commit/0c1cc8c9866bb567ff11c1cd0d09779e8c5f8585", "tags": ["x_refsource_MISC"], "url": "https://github.com/yhirose/cpp-httplib/commit/0c1cc8c9866bb567ff11c1cd0d09779e8c5f8585"}, {"name": "https://github.com/yhirose/cpp-httplib/releases/tag/v0.51.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/yhirose/cpp-httplib/releases/tag/v0.51.0"}], "affected": [{"vendor": "yhirose", "product": "cpp-httplib", "versions": [{"version": "< 0.51.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T18:18:21.598Z"}, "descriptions": [{"lang": "en", "value": "cpp-httplib is a C++ header-only HTTP/HTTPS library. Prior to 0.51.0, create_redirect_client() removes Host, Proxy-Authorization, and Authorization headers when following a cross-origin 301, 302, 307, or 308 redirect but leaves Cookie headers attached. detail::redirect() copies the request for those redirect codes, so cookies supplied directly or through default_headers_ are sent to the redirect target. An attacker who controls a redirect response, or a network position for a non-HTTPS origin, can receive session cookies intended for the original origin. A 303 redirect is not affected because that path clears all request headers. This issue is fixed in version 0.51.0."}], "source": {"advisory": "GHSA-22mf-w2v3-r2jv", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T14:40:31.550021Z", "id": "CVE-2026-102944", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T14:48:03.087Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-102944", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T14:40:31.550021Z"}}}], "references": [{"url": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T14:43:30.596Z"}}], "cna": {"title": "cpp-httplib: Cookie header leaked on cross-origin redirect", "source": {"advisory": "GHSA-22mf-w2v3-r2jv", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "yhirose", "product": "cpp-httplib", "versions": [{"status": "affected", "version": "< 0.51.0"}]}], "references": [{"url": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv", "name": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/yhirose/cpp-httplib/commit/0c1cc8c9866bb567ff11c1cd0d09779e8c5f8585", "name": "https://github.com/yhirose/cpp-httplib/commit/0c1cc8c9866bb567ff11c1cd0d09779e8c5f8585", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/yhirose/cpp-httplib/releases/tag/v0.51.0", "name": "https://github.com/yhirose/cpp-httplib/releases/tag/v0.51.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "cpp-httplib is a C++ header-only HTTP/HTTPS library. Prior to 0.51.0, create_redirect_client() removes Host, Proxy-Authorization, and Authorization headers when following a cross-origin 301, 302, 307, or 308 redirect but leaves Cookie headers attached. detail::redirect() copies the request for those redirect codes, so cookies supplied directly or through default_headers_ are sent to the redirect target. An attacker who controls a redirect response, or a network position for a non-HTTPS origin, can receive session cookies intended for the original origin. A 303 redirect is not affected because that path clears all request headers. This issue is fixed in version 0.51.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-522", "description": "CWE-522: Insufficiently Protected Credentials"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T18:18:21.598Z"}}}, "cveMetadata": {"cveId": "CVE-2026-102944", "state": "PUBLISHED", "dateUpdated": "2026-10-15T14:48:03.087Z", "dateReserved": "2026-09-29T20:24:43.341Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-14T18:18:21.598Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "cpp-httplib", "vendor": "yhirose", "versions": [{"status": "affected", "version": "< 0.51.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "cpp-httplib is a C++ header-only HTTP/HTTPS library. Prior to 0.51.0, create_redirect_client() removes Host, Proxy-Authorization, and Authorization headers when following a cross-origin 301, 302, 307, or 308 redirect but leaves Cookie headers attached. detail::redirect() copies the request for those redirect codes, so cookies supplied directly or through default_headers_ are sent to the redirect target. An attacker who controls a redirect response, or a network position for a non-HTTPS origin, can receive session cookies intended for the original origin. A 303 redirect is not affected because that path clears all request headers. This issue is fixed in version 0.51.0."}], "id": "CVE-2026-102944", "lastModified": "2026-10-16T20:04:29.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-102944", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T14:40:31.550021Z", "version": "2.0.3"}}]}, "published": "2026-10-14T19:17:06.347", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/yhirose/cpp-httplib/commit/0c1cc8c9866bb567ff11c1cd0d09779e8c5f8585"}, {"source": "security-advisories@github.com", "url": "https://github.com/yhirose/cpp-httplib/releases/tag/v0.51.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-22mf-w2v3-r2jv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-522"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.51.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "cpp-httplib", "source": "cna", "vendor": "yhirose"}, "product": "cpp-httplib", "vendor": "yhirose"}], "created": "2026-10-15T15:30:18.514154+00:00", "updated": "2026-10-22T22:45:13.648159+00:00", "vendors": ["yhirose", "yhirose$PRODUCT$cpp-httplib"]}