CVE-2026-9132: Missing Authorization

A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user to read source code from private repositories they did not have access to. The Copilot pull request description diff summary endpoint accepted a cross-repository comparison range an...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity through the serveUpload process. An attacker can access and download content from private repositories belonging to other tenants by binding their own repository to an existing object...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity through the serveUpload process. An attacker can access and download content from private repositories belonging to other tenants by binding their own repository to an existing object...

CVE-2026-52795 Gogs: Authorization Bypass in Watch API allows any user to monitor private repository activity

Gogs is an open source self-hosted Git service. In 0.14.3 and earlier, any authenticated user can watch a private repository they have no access to, because the access check in the Watch API handler is inverted. The code checks if repoCtx.ViewerCanRead returns 404 when the user CAN read instead o...

CVE-2026-52795

Gogs is an open source self-hosted Git service. In 0.14.3 and earlier, any authenticated user can watch a private repository they have no access to, because the access check in the Watch API handler is inverted. The code checks if repoCtx.ViewerCanRead returns 404 when the user CAN read instead o...

EUVD-2026-39062

Gogs is an open source self-hosted Git service. In 0.14.3 and earlier, any authenticated user can watch a private repository they have no access to, because the access check in the Watch API handler is inverted. The code checks if repoCtx.ViewerCanRead returns 404 when the user CAN read instead o...

CVE-2026-52795 Gogs: Authorization Bypass in Watch API allows any user to monitor private repository activity

Gogs is an open source self-hosted Git service. In 0.14.3 and earlier, any authenticated user can watch a private repository they have no access to, because the access check in the Watch API handler is inverted. The code checks if repoCtx.ViewerCanRead returns 404 when the user CAN read instead o...

PT-2026-52084

Name of the Vulnerable Software and Affected Versions Gogs versions prior to 0.14.4 Description An authenticated user can watch a private repository without having the necessary access permissions. This occurs because the access check in the Watch API handler is inverted, specifically within the...

Gogs Missing Authorization in Attachment Download

Summary In Gogs 0.14.1, GET /attachments/:uuid returns the raw attachment file without verifying whether the requester has view permission for the associated Issue/Comment/Release or the repository. In a test environment with REQUIRESIGNINVIEW = false, we confirmed that an unauthenticated user ca...

PT-2026-51457

Name of the Vulnerable Software and Affected Versions Gogs versions prior to 0.14.3 Description Gogs is an open source self-hosted Git service. The endpoint '/attachments/:uuid' retrieves attachment records using the uuid variable provided in the URL and returns the corresponding local file witho...

Gitea: Token scope bypass on web archive download endpoint

Summary PR 37698 added checkDownloadTokenScope to /raw/, /media/, and attachment download web endpoints. The /archive/ endpoint repo.Download in routers/web/repo/repo.go:372 was not included in the fix. This endpoint accepts OAuth2 tokens via webAuth.AllowOAuth2 registered at...

GHSA-CR4G-F395-H25H Gitea: Token scope bypass on web archive download endpoint

Summary PR 37698 added checkDownloadTokenScope to /raw/, /media/, and attachment download web endpoints. The /archive/ endpoint repo.Download in routers/web/repo/repo.go:372 was not included in the fix. This endpoint accepts OAuth2 tokens via webAuth.AllowOAuth2 registered at...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization due to improper enforcement of token scope validation in the CheckRepoScopedToken function. An attacker can gain unauthorized access to private repository contents by presenting a valid personal access token or...

GHSA-CC8W-R4QH-3V65 Gitea: Git Smart HTTP Skips Repository Token Scopes for Bearer Tokens

Summary Gitea v1.26.1 enforces repository-scoped access-token permissions on repository operations. In the Git Smart HTTP path, however, this check runs only when the token is presented via HTTP Basic authentication — CheckRepoScopedToken returns early unless ctx.IsBasicAuth is true — so the same...

CVE-2026-5512

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to determine the names of private repositories by their numeric ID. The mobile upload policy API endpoint did not perform an early authorization check, and validation error...

CVE-2026-28735

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL...

CVE-2026-5845

An improper authorization vulnerability in scoped user-to-server ghu token authorization in GitHub Enterprise Server allows an authenticated attacker to access private repositories outside the intended installation scope, which can include write operations, via an authorization fallback that...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the OAuth callback process. An attacker can access unauthorized private repositories by modifying the scope parameter in the GitHub authorization URL. Remediation Upgrade...

GHSA-R5VF-GRCX-5VQP Mattermost allows authenticated users to gain access to private repositories

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL...

Mattermost allows authenticated users to gain access to private repositories

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL...