CVE-2026-27739
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Angular SSR is vulnerable to SSRF and Header Injection via request handling pipeline
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | @angular/ssr | >=21.2.0-next.0,<21.2.0-rc.1 | 21.2.0-rc.1 |
| npm | @angular/ssr | >=21.0.0-next.0,<21.1.5 | 21.1.5 |
| npm | @angular/ssr | >=20.0.0-next.0,<20.3.17 | 20.3.17 |
| npm | @angular/ssr | <19.2.21 | 19.2.21 |
| npm | @nguniversal/common | <=16.2.0 | |
| npm | @nguniversal/express-engine | <=16.2.0 | |
References
- https://github.com/angular/angular-cli/security/advisories/GHSA-x288-3778-4hhx
- https://nvd.nist.gov/vuln/detail/CVE-2026-27739
- https://github.com/angular/angular-cli/pull/32516
- https://angular.dev/best-practices/security#preventing-server-side-request-forgery-ssrf
- https://developer.mozilla.org/en-US/docs/Web/Security/Attacks/SSRF
- https://github.com/angular/angular-cli
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.