CVE-2026-68945 Angular: Cache-Key Ambiguity in HttpTransferCache Leading to Cross-Request Response Reuse and State Poisoning
Attackers can poison the HTTP transfer cache to serve incorrect responses to distinct requests, leading to data integrity issues in Angular applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-68945?
CVE-2026-68945 is a high-severity vulnerability in @angular angular, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-345
Which versions are affected by CVE-2026-68945?
8 open source packages ship an affected version, including @angular/common. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@angular/common npm | All versions to 19.2.25 | None |
@angular/common npm | All versions to 19.2.25 | None |
@angular/common npm | From 20.0.0-next.0 | 20.3.27 |
@angular/common npm | From 20.0.0-next.0 | 20.3.27 |
@angular/common npm | From 21.0.0-next.0 | 21.2.19 |
@angular/common npm | From 21.0.0-next.0 | 21.2.19 |
2 more packages
@angular/common npm | From 22.0.0-next.0 | 22.0.2 |
@angular/common npm | From 22.0.0-next.0 | 22.0.2 |
Products include Angular Angular.
How do I fix CVE-2026-68945?
Upgrade @angular/common to a fixed version for your release line: 20.3.27, 21.2.19 or 22.0.2.
Is CVE-2026-68945 being exploited?
There is no known exploitation of CVE-2026-68945 in the wild and no public exploit code.
Other vulnerabilities in @angular angular
- CVE-2026-46417 Angular: SSRF via Hostname Hijacking in @angular/platform-server
- CVE-2026-50168 Angular: URL Parser Differential in @angular/platform-server leading to SSRF Allowlist Bypass
- CVE-2026-54266 Angular: Weak 32-Bit Cache Key Hashing in `HttpTransferCache` Leading to Cross-Request Data Leakage and State Poisoning
- CVE-2026-41423 Angular: SSRF via protocol-relative and backslash URLs in Angular Platform-Server
- CVE-2026-88056 Angular: SSRF and Cross-Origin Credential Disclosure via URL Resolution Discrepancy in SSR
Sources
Also known as DEBIAN-CVE-2026-68945, GHSA-jhpw-976m-542j, UBUNTU-CVE-2026-68945.