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Advisories

Forgejo through 15.0.11, 16.0.7, and 17.0.1 SSRF via OpenID Discovery

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Severity
medium
Date
Affecting

  • forgejo <= 15.0.11

  • forgejo >= 16.0.0, <= 16.0.7

  • forgejo >= 17.0.0, <= 17.0.1

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
6.9
CVSS V4 Vector
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
Credit
Abraxas Labs
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.

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