CVE-2026-26307

CVE-2026-26307 affects Gitea versions before 1.25.5. The vulnerability arises because the git grep searches do not enforce a timeout, allowing expensive searches to consume server resources and cause a DoS condition. Affected component: the Git subsystem within Gitea (as noted in multiple sources...

CVE-2026-26307 Gitea git grep search lacks a timeout

Gitea versions before 1.25.5 do not enforce a timeout on git grep searches, allowing expensive searches to consume server resources...

CVE-2026-27657

CVE-2026-27657 affects Gitea prior to 1.25.5. The issue arises in the email settings workflow where a user can alter another user’s primary email address, described as an Authorization Bypass Through User-Controlled Key. Affected evidence in connected sources indicates the root cause is insuffici...

CVE-2026-27657 Gitea email settings allow changing another user's primary email address

Gitea versions before 1.25.5 allow a user to change another user's primary email address...

CVE-2026-27657 Gitea email settings allow changing another user's primary email address

Gitea versions before 1.25.5 allow a user to change another user's primary email address...

EUVD-2026-41631

Gitea versions before 1.25.5 do not enforce a timeout on git grep searches, allowing expensive searches to consume server resources...

CVE-2026-26292

Gitea versions before 1.25.5 are affected: LFS push and LFS mirror synchronization do not use the migration HTTP transport, bypassing configured migration transport protections for those requests. This is evidenced by CVE-2026-26292 and corroborated by multiple connected sources (NVD/NIST and thi...

CVE-2026-26232 Gitea OAuth2 authorization codes lack expiry and reuse enforcement

Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange...

CVE-2026-26231

Gitea versions up to 1.26.1 expose an Authorization Bypass via the Allow edits from maintainers option. The root cause is the PR-create flow binding allow_maintainer_edit=true without verifying the submitter’s write access to the HEAD repository, enabling reverse-fork PR abuse to authorize pushes...

CVE-2026-26247

Gitea versions before 1.25.5 are affected by an OAuth2 PKCE S256 verification weakness during the authorization/token-exchange flow. The underlying issue is that PKCE S256 is not persisted/validated correctly, allowing token exchange without the required verifier check. Impact is a potential acce...

EUVD-2026-41629

Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check...

CVE-2026-26231

Gitea versions up to and including 1.26.1 allow the Allow edits from maintainers permission path to authorize commits to repositories that the user can read but should not be able to write...

EUVD-2026-41628

Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange...

CVE-2026-26247 Gitea OAuth2 PKCE S256 challenges are not enforced during token exchange

Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check...

CVE-2026-26232 Gitea OAuth2 authorization codes lack expiry and reuse enforcement

Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange...

CVE-2026-26247 Gitea OAuth2 PKCE S256 challenges are not enforced during token exchange

Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check...

CVE-2026-26232

Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange...

CVE-2026-26231 Gitea maintainer-edit permissions allow unauthorized commits to readable repositories

Gitea versions up to and including 1.26.1 allow the Allow edits from maintainers permission path to authorize commits to repositories that the user can read but should not be able to write...

CVE-2026-26247

Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check...

CVE-2026-26232

Gitea before 1.25.5 is vulnerable to a replay attack due to inadequate enforcement of OAuth2 authorization code expiry and single-use behavior during the token exchange. The Snyk entries describe the issue across affected code paths (e.g., models/auth and routers/web/auth) and state that an attac...