CVE-2026-119545
Forgejo through 15.0.11, 16.0.7, and 17.0.1 SSRF via OpenID Discovery
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 30, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 30, 2026
Description
Forgejo through 15.0.11, 16.0.0 through 16.0.7, and 17.0.0 through 17.0.1 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server issue requests by submitting arbitrary OpenID identifier URLs. Attackers can POST crafted identifiers to /user/login/openid to trigger blind discovery GET requests to loopback, cloud metadata, and internal addresses for port scanning and probing.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
forgejoforgejo |
|
References
- https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/modules/auth/openid/openid.go#L35-L36technical-description
- https://abraxaslabs.tech/research/forgejo-openid-discovery-ssrfthird-party-advisory
- GitHub Security Advisory (GHSA-2fcr-jfvc-vgg2)relatedvendor-advisory
- https://codeberg.org/forgejo/forgejoproduct
- VulnCheck Advisory: Forgejo through 15.0.11, 16.0.7, and 17.0.1 SSRF via OpenID Discoverythird-party-advisory
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