SSRF in Angular Angular-cli
CVE-2026-27739
The Angular SSR is a server-rise rendering tool for Angular applications. Versions prior to 21.2.0-rc.1, 21.1.5, 20.3.17, and 19.2.21 have a Server-Side Request Forgery (SSRF) vulnerability in the Angular SSR request handling pipeline. The…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.001 (19.4th percentile) — read the EPSS interpretation.
Affected products
- Angular Angular-cli — versions >= 21.2.0-next.2, < 21.2.0-rc.0, >= 21.0.0-next.0, < 21.1.5, >= 20.0.0-next.0, < 20.3.17
- Angular @Nguniversal/common — versions <= 16.2.0
- Angular @Nguniversal/express-engine — versions <= 16.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/angular/angular-cli/security/advisories/GHSA-x288-3778-4hhx (x_refsource_CONFIRM)
- https://github.com/angular/angular-cli/pull/32516 (x_refsource_MISC)
- https://angular.dev/best-practices/security#preventing-server-side-request-forgery-ssrf (x_refsource_MISC)
- https://developer.mozilla.org/en-US/docs/Web/Security/Attacks/SSRF (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-27739?
- CVE-2026-27739 is a vulnerability in Angular Angular-cli, classified under Server-Side Request Forgery (SSRF). Published 2026-02-25.
- Is CVE-2026-27739 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.