{"id":"CVE-2026-68945","state":"PUBLISHED","title":"Angular: Cache-Key Ambiguity in HttpTransferCache Leading to Cross-Request Response Reuse and State Poisoning","description":"Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.2, HttpTransferCache comma-joins repeated request parameters, allowing semantically distinct HttpClient requests to use the same transfer-cache key and reuse a wrong backend response. This issue is fixed in versions 20.3.27, 21.2.19, and 22.0.2.","publishedAt":"2026-08-03T15:58:02.299Z","updatedAt":"2026-08-03T16:58:26.263Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["angular angular","@angular common"],"affected":[{"vendor":"angular","product":"angular","versions":[{"version":"< 20.3.27","status":"affected"},{"version":">= 21.0.0-next.0, < 21.2.19","status":"affected"},{"version":">= 22.0.0-next.0, < 22.0.2","status":"affected"}]},{"vendor":"@angular","product":"common","versions":[{"version":"< 20.3.27","status":"affected"},{"version":">= 21.0.0-next.0, < 21.2.19","status":"affected"},{"version":">= 22.0.0-next.0, < 22.0.2","status":"affected"}]}],"references":["https://github.com/angular/angular/security/advisories/GHSA-jhpw-976m-542j","https://github.com/angular/angular/pull/68571","https://github.com/angular/angular/commit/6867f77ec779a0a24f6339ad6c775f444202103c","https://github.com/angular/angular/commit/948a8d6831e8920b54663ec79421da95210e0e35","https://github.com/angular/angular/commit/a64e2883e9dc4abdac70209129be303de79e5b2b","https://github.com/angular/angular/commit/a6c7fc5c13e6e494a4c9bd8e773b8d4b2a99b20c"],"weaknesses":["CWE-345"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68945.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68945","state":"PUBLISHED","datePublished":"2026-08-03T15:58:02.299Z","dateUpdated":"2026-08-03T16:58:26.263Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-31T21:49:24.928Z"},"containers":{"cna":{"title":"Angular: Cache-Key Ambiguity in HttpTransferCache Leading to Cross-Request Response Reuse and State Poisoning","descriptions":[{"lang":"en","value":"Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.2, HttpTransferCache comma-joins repeated request parameters, allowing semantically distinct HttpClient requests to use the same transfer-cache key and reuse a wrong backend response. This issue is fixed in versions 20.3.27, 21.2.19, and 22.0.2."}],"affected":[{"vendor":"angular","product":"angular","versions":[{"version":"< 20.3.27","status":"affected"},{"version":">= 21.0.0-next.0, < 21.2.19","status":"affected"},{"version":">= 22.0.0-next.0, < 22.0.2","status":"affected"}]},{"vendor":"@angular","product":"common","versions":[{"version":"< 20.3.27","status":"affected"},{"version":">= 21.0.0-next.0, < 21.2.19","status":"affected"},{"version":">= 22.0.0-next.0, < 22.0.2","status":"affected"}]}],"references":[{"url":"https://github.com/angular/angular/security/advisories/GHSA-jhpw-976m-542j","name":"https://github.com/angular/angular/security/advisories/GHSA-jhpw-976m-542j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/angular/angular/pull/68571","name":"https://github.com/angular/angular/pull/68571","tags":["x_refsource_MISC"]},{"url":"https://github.com/angular/angular/commit/6867f77ec779a0a24f6339ad6c775f444202103c","name":"https://github.com/angular/angular/commit/6867f77ec779a0a24f6339ad6c775f444202103c","tags":["x_refsource_MISC"]},{"url":"https://github.com/angular/angular/commit/948a8d6831e8920b54663ec79421da95210e0e35","name":"https://github.com/angular/angular/commit/948a8d6831e8920b54663ec79421da95210e0e35","tags":["x_refsource_MISC"]},{"url":"https://github.com/angular/angular/commit/a64e2883e9dc4abdac70209129be303de79e5b2b","name":"https://github.com/angular/angular/commit/a64e2883e9dc4abdac70209129be303de79e5b2b","tags":["x_refsource_MISC"]},{"url":"https://github.com/angular/angular/commit/a6c7fc5c13e6e494a4c9bd8e773b8d4b2a99b20c","name":"https://github.com/angular/angular/commit/a6c7fc5c13e6e494a4c9bd8e773b8d4b2a99b20c","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","lang":"en","description":"CWE-345: Insufficient Verification of Data Authenticity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-03T15:58:02.299Z"},"source":{"advisory":"GHSA-jhpw-976m-542j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-03T16:58:17.198889Z","id":"CVE-2026-68945","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-03T16:58:26.263Z"}}]}}}