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CVE-2026-78231

5.3 medium SSVC exploitation: none Deferred
NVD · CVE.org

When OpenID sign-in is enabled, Gitea processes unauthenticated assertion parameters and sends an HTTP POST request to the caller-supplied OpenID provider endpoint during verification. An attacker controls the destination and much of the form body, allowing interaction with internal HTTP services reachable from the Gitea server. The response is not returned to the attacker, so the issue is blind SSRF; its impact depends on the services and network addresses the server can reach.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. CVSS5.3 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)NVD modified 2026-10-18 14:16
  2. First seenunscoredNVD modified 2026-10-14 16:04

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1