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...

EUVD-2026-41602

Gitea: SSRF via HTTP Redirect in Repository Migration...

GHSA-RQHX-647V-WX32 Gitea: SSRF via HTTP Redirect in Repository Migration

Summary Gitea 1.25.4 validates the initial URL provided to the repository migration endpoint POST /api/v1/repos/migrate and correctly blocks requests to internal addresses like 127.0.0.1 or RFC1918 ranges. However, if the initial URL points to an attacker-controlled server that responds with an...

EUVD-2026-41634

Gitea: API access token scope enforcement bypass on repository RSS/Atom feed endpoints leaks private repository commit data...

GHSA-3PWW-VCVM-3GMJ Gitea: API access token scope enforcement bypass on repository RSS/Atom feed endpoints leaks private repository commit data

Summary A Gitea personal access token PAT restricted to a non-repository scope e.g. read:issue can read the commit history of any private repository the token owner can access, via the repository RSS/Atom feed endpoints. The same token is correctly denied 403 on /raw, /media, /archive, and the...

EUVD-2026-41643

Gitea: Git LFS object reuse allows non-Code access to authorize private source objects...

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...

GHSA-P4MJ-98MV-XQ26 Gitea: Private Repository Existence Disclosure via go-get Meta Endpoint

| Field | Value | |-------|-------| | Affected File | routers/web/repo/githttp.go, services/context/repo.go | | Affected Functions | httpBase, EarlyResponseForGoGetMeta | | Affected Lines | githttp.go:63–66, services/context/repo.go:374–396 | | Prerequisite | None — fully unauthenticated | ---...

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...

GHSA-6C6R-5XR4-CR5M 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...

GHSA-9MQ6-MQJJ-C2C5 Gitea: Unbounded Arch package file metadata can cause resource amplification in Gitea package uploads

Summary Hello Gitea Security Team, Thank you for your continued work on Gitea. I would like to responsibly report a potential availability-impact issue that I observed in Gitea’s Arch package registry implementation. During local testing, I noticed that Gitea records non-dot regular file entries...

Gitea: Unbounded Arch package file metadata can cause resource amplification in Gitea package uploads

Summary Hello Gitea Security Team, Thank you for your continued work on Gitea. I would like to responsibly report a potential availability-impact issue that I observed in Gitea’s Arch package registry implementation. During local testing, I noticed that Gitea records non-dot regular file entries...

Gitea: Token public-only scope bypassed on Limited-visibility owners (Repository + Package categories) — residual after CVE-2026-25714 / PR #37118

Summary After PR 37118 / CVE-2026-25714 fix: Unify public-only token filtering in API queries and repo access checks, merged 2026-05-18, backport 37773 to 1.26.2 — the May 2026 unification pass for public-only token filtering, reporter Medoedus per the 1.26.2 release notes, the public-only PAT...

GHSA-7P4H-3GXQ-X3H3 Gitea: Token public-only scope bypassed on Limited-visibility owners (Repository + Package categories) — residual after CVE-2026-25714 / PR #37118

Summary After PR 37118 / CVE-2026-25714 fix: Unify public-only token filtering in API queries and repo access checks, merged 2026-05-18, backport 37773 to 1.26.2 — the May 2026 unification pass for public-only token filtering, reporter Medoedus per the 1.26.2 release notes, the public-only PAT...

GHSA-QF2F-QH6P-7V89 Gitea CVE-2026-20800 sibling endpoints not covered: revoked user still reads private repo objects via `/api/v1/user/starred` and private issue titles via `/api/v1/user/times`

Summary CVE-2026-20800 fixed private-info leakage to revoked users only for the notification endpoint. Two sibling endpoints that return data keyed on the caller's own relationship still do not re-check repo access at output time: - GET /api/v1/user/starred — getStarredRepos computes a per-repo...

GHSA-66M4-5JJR-2RG5 Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content

Affected product Gitea — services/repository/collaboration.go DeleteCollaboration + webhook delivery Summary When a collaborator with admin permission on a private repo creates a webhook, that webhook keeps firing after the collaborator's access is revoked. Gitea's revocation cleanup...

Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content

Affected product Gitea — services/repository/collaboration.go DeleteCollaboration + webhook delivery Summary When a collaborator with admin permission on a private repo creates a webhook, that webhook keeps firing after the collaborator's access is revoked. Gitea's revocation cleanup...

Gitea: Repository Migration Follows Git HTTP Redirects After URL Allow/Block Validation, Enabling Internal Git Repository Exfiltration

Repository Migration Follows Git HTTP Redirects After URL Allow/Block Validation, Enabling Internal Git Repository Exfiltration Summary Gitea validates the user-supplied repository migration URL, but the actual clone and later mirror fetch operations are performed by the Git command-line client...

GHSA-82F7-87HM-852X Gitea: Repository Migration Follows Git HTTP Redirects After URL Allow/Block Validation, Enabling Internal Git Repository Exfiltration

Repository Migration Follows Git HTTP Redirects After URL Allow/Block Validation, Enabling Internal Git Repository Exfiltration Summary Gitea validates the user-supplied repository migration URL, but the actual clone and later mirror fetch operations are performed by the Git command-line client...