{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66035", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-11-21T01:08:02.615Z", "datePublished": "2025-11-26T22:18:35.692Z", "dateUpdated": "2025-11-26T22:18:35.692Z"}, "containers": {"cna": {"title": "Angular HTTP Client Has XSRF Token Leakage via Protocol-Relative URLs", "problemTypes": [{"descriptions": [{"cweId": "CWE-201", "lang": "en", "description": "CWE-201: Insertion of Sensitive Information Into Sent Data", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-359", "lang": "en", "description": "CWE-359: Exposure of Private Personal Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/angular/angular/security/advisories/GHSA-58c5-g7wp-6w37", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/angular/angular/security/advisories/GHSA-58c5-g7wp-6w37"}, {"name": "https://github.com/angular/angular/commit/0276479e7d0e280e0f8d26fa567d3b7aa97a516f", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/commit/0276479e7d0e280e0f8d26fa567d3b7aa97a516f"}, {"name": "https://github.com/angular/angular/commit/05fe6686a97fa0bcd3cf157805b3612033f975bc", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/commit/05fe6686a97fa0bcd3cf157805b3612033f975bc"}, {"name": "https://github.com/angular/angular/commit/3240d856d942727372a705252f7c8c115394a41e", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/commit/3240d856d942727372a705252f7c8c115394a41e"}, {"name": "https://github.com/angular/angular/releases/tag/19.2.16", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/releases/tag/19.2.16"}, {"name": "https://github.com/angular/angular/releases/tag/20.3.14", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/releases/tag/20.3.14"}, {"name": "https://github.com/angular/angular/releases/tag/21.0.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/releases/tag/21.0.1"}], "affected": [{"vendor": "angular", "product": "angular", "versions": [{"version": ">= 21.0.0-next.0, < 21.0.1", "status": "affected"}, {"version": ">= 20.0.0-next.0, < 20.3.14", "status": "affected"}, {"version": "< 19.2.16", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-11-26T22:18:35.692Z"}, "descriptions": [{"lang": "en", "value": "Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.16, 20.3.14, and 21.0.1, there is a XSRF token leakage via protocol-relative URLs in angular HTTP clients. The vulnerability is a Credential Leak by App Logic that leads to the unauthorized disclosure of the Cross-Site Request Forgery (XSRF) token to an attacker-controlled domain. Angular's HttpClient has a built-in XSRF protection mechanism that works by checking if a request URL starts with a protocol (http:// or https://) to determine if it is cross-origin. If the URL starts with protocol-relative URL (//), it is incorrectly treated as a same-origin request, and the XSRF token is automatically added to the X-XSRF-TOKEN header. This issue has been patched in versions 19.2.16, 20.3.14, and 21.0.1. A workaround for this issue involves avoiding using protocol-relative URLs (URLs starting with //) in HttpClient requests. All backend communication URLs should be hardcoded as relative paths (starting with a single /) or fully qualified, trusted absolute URLs."}], "source": {"advisory": "GHSA-58c5-g7wp-6w37", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.16, 20.3.14, and 21.0.1, there is a XSRF token leakage via protocol-relative URLs in angular HTTP clients. The vulnerability is a Credential Leak by App Logic that leads to the unauthorized disclosure of the Cross-Site Request Forgery (XSRF) token to an attacker-controlled domain. Angular's HttpClient has a built-in XSRF protection mechanism that works by checking if a request URL starts with a protocol (http:// or https://) to determine if it is cross-origin. If the URL starts with protocol-relative URL (//), it is incorrectly treated as a same-origin request, and the XSRF token is automatically added to the X-XSRF-TOKEN header. This issue has been patched in versions 19.2.16, 20.3.14, and 21.0.1. A workaround for this issue involves avoiding using protocol-relative URLs (URLs starting with //) in HttpClient requests. All backend communication URLs should be hardcoded as relative paths (starting with a single /) or fully qualified, trusted absolute URLs."}], "id": "CVE-2025-66035", "lastModified": "2025-11-26T23:15:49.550", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-11-26T23:15:49.550", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/commit/0276479e7d0e280e0f8d26fa567d3b7aa97a516f"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/commit/05fe6686a97fa0bcd3cf157805b3612033f975bc"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/commit/3240d856d942727372a705252f7c8c115394a41e"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/releases/tag/19.2.16"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/releases/tag/20.3.14"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/releases/tag/21.0.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/security/advisories/GHSA-58c5-g7wp-6w37"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-201"}, {"lang": "en", "value": "CWE-359"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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