CVE-2026-68945
Angular: Cache-Key Ambiguity in HttpTransferCache Leading to Cross-Request Response Reuse and State Poisoning
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/angular/angular/security/advisories/GHSA-jhpw-976m-542j
- 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
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
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