Gitea: Cross-repository IDOR in issue-dependency removal lets an attacker tamper with and comment on private repos they cannot access

Details RemoveDependency in routers/web/repo/issuedependency.go takes a removeDependencyID form parameter identifying the other issue by its global numeric ID, and fetches it with issuesmodel.GetIssueByIDctx, depID - no repository or permission check at all. It then calls...

GHSA-XV9X-FJ9G-VJ6H Gitea: Cross-repository IDOR in issue-dependency removal lets an attacker tamper with and comment on private repos they cannot access

Details RemoveDependency in routers/web/repo/issuedependency.go takes a removeDependencyID form parameter identifying the other issue by its global numeric ID, and fetches it with issuesmodel.GetIssueByIDctx, depID - no repository or permission check at all. It then calls...

EUVD-2026-41608

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write...

GHSA-HG5R-VQ93-9FV6 Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

Summary Gitea Actions Artifacts V4 signed upload/download URLs can be rewritten to access a different running task and repository context while preserving the original HMAC signature. An attacker with permission to run a Gitea Actions job can turn a signed URL for an attacker-controlled artifact...

GHSA-2M9V-5Q2G-58VQ Gitea: Git LFS object reuse allows non-Code access to authorize private source objects

Summary A user with Code write access to one repository may be able to associate an existing Git LFS object from a private source repository with their target repository, even when they do not have Code access to the source repository that currently owns the LFS object. The issue appears to be...

Gitea: Cross-repository issue/comment attachment re-linking can expose private attachment content

Summary Gitea's issue and comment attachment update paths accept attachment UUIDs without verifying that each attachment belongs to the target issue/comment repository. If an authenticated attacker knows a victim attachment UUID, they can re-link that attachment to an attacker-controlled issue or...

PT-2026-63301

Name of the Vulnerable Software and Affected Versions Gitea version 1.25.5 Description An insufficient authorization issue exists in the LFS server where the system uses the UserID embedded in an LFS JWT to make cross-repository authorization decisions via the LFSObjectAccessible function. When a...

Gitea: Cross-repository IDOR in issue-dependency removal lets an attacker tamper with and comment on private repos they cannot access

This is a cross-repository IDOR / broken access control issue. An attacker can tamper with issue-tracking state dependency relationships and inject an attacker-authored comment into a private repository they cannot otherwise read or write to, crossing a trust boundary the "add" path explicitly...

PT-2026-63304

Name of the Vulnerable Software and Affected Versions Gitea versions prior to 1.26.5 Description A broken access control issue exists in the RemoveDependency function within routers/web/repo/issue dependency.go. The function processes the removeDependencyID form parameter to identify and remove a...

PT-2026-63310

Name of the Vulnerable Software and Affected Versions Gitea versions prior to 1.26.4 Description An authenticated user can use a specific API endpoint as a cross-repository label-ID existence and enumeration oracle. This occurs because the system performs a global, unscoped lookup of labels by ID...

PT-2026-63291

Name of the Vulnerable Software and Affected Versions Gitea version 1.26.2 Description A confidentiality breach exists where an attacker-controlled fork pull-request workflow can gain read access to a third private repository. This occurs because the GetActionsUserRepoPermission function in...

Gitea: Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

GetActionsUserRepoPermission models/perm/access/repopermission.go decides whether an Actions task token may access a target repo. Its cross-repo branches each enforce a fork-PR discriminator — except the collaborative-owner branch, which is missing the !task.IsForkPullRequest guard that its sibli...

CVE-2026-58426

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write...

CVE-2026-58426 Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write...

CVE-2026-58426 Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write...

CVE-2026-58426

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write...

PT-2026-55658

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description An HMAC ambiguity in Gitea Actions Artifacts V4 signed URLs allows for cross-repository artifact reading and cross-task upload-state writing. HMAC Hash-based Message Authentication Code is a...

CVE-2026-9132

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...

CVE-2026-9132 Missing authorization vulnerability in GitHub Enterprise Server allowed disclosure of private repository contents via the Copilot pull request diff summary endpoint

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...

CVE-2026-9132

CVE-2026-9132 describes a missing authorization flaw in GitHub Enterprise Server where an authenticated user could read source code from private repositories via the Copilot pull request description diff summary endpoint. The vulnerability allowed a user with read access to at least one repositor...