CVE-2026-52804

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3...

CVE-2026-52805

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a Server-Side Request Forgery SSRF vulnerability exists in the repository migration functionality. The application validates only the initially submitted URL hostname, but git clone --mirror follows HTTP redirects. An authenticated...

CVE-2026-52799

Gogs is an open source self-hosted Git service. Prior to 0.14.3, 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...

CVE-2025-64719

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a malicious user with rights to create a new file on a repository or wiki page can trigger a denial of service condition in which the pages containing the listing of files will return HTTP error 500 and render the web interface...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration process. An attacker can access internal resources and exfiltrate sensitive repository contents by submitting a crafted URL that redirects to an internal endpoint during...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration process. An attacker can access internal resources and exfiltrate sensitive repository contents by submitting a crafted URL that redirects to an internal endpoint during...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration process. An attacker can access internal resources and exfiltrate sensitive repository contents by submitting a crafted URL that redirects to an internal endpoint during...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration process. An attacker can access internal resources and exfiltrate sensitive repository contents by submitting a crafted URL that redirects to an internal endpoint during...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error via the ChangeCollaborationAccessMode function. An attacker can gain owner-level privileges by exploiting an off-by-one error when modifying collaboration access modes. Remediation Upgrade gogs.io/gogs/internal/route/re...

CVE-2026-54067 SiYuan: Stored XSS to RCE via CSS-snippet <style> breakout in renderSnippet()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing breaks out of its surrounding tag when renderSnippet interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer...

EUVD-2026-39083

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git LFS storage is content-addressed by OID alone /// but per-repo authorization lives in the lfsobject table keyed repoid, oid. serveUpload skips re-uploading when the OID file already exists on disk and inserts a new repoid, oid r...

CVE-2026-52812 Gogs: LFS dedupe path leaks private repo content across tenants

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git LFS storage is content-addressed by OID alone /// but per-repo authorization lives in the lfsobject table keyed repoid, oid. serveUpload skips re-uploading when the OID file already exists on disk and inserts a new repoid, oid r...

CVE-2026-52812 Gogs: LFS dedupe path leaks private repo content across tenants

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git LFS storage is content-addressed by OID alone /// but per-repo authorization lives in the lfsobject table keyed repoid, oid. serveUpload skips re-uploading when the OID file already exists on disk and inserts a new repoid, oid r...

CVE-2026-52812

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git LFS storage is content-addressed by OID alone /// but per-repo authorization lives in the lfsobject table keyed repoid, oid. serveUpload skips re-uploading when the OID file already exists on disk and inserts a new repoid, oid r...

CVE-2026-52812 Gogs: LFS dedupe path leaks private repo content across tenants

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git LFS storage is content-addressed by OID alone /// but per-repo authorization lives in the lfsobject table keyed repoid, oid. serveUpload skips re-uploading when the OID file already exists on disk and inserts a new repoid, oid r...

CVE-2026-52811 Gogs: UploadRepoFiles writes outside repo working tree via committed parent sym

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Repository.UploadRepoFiles checks for symlinks only on the leaf of the upload target osx.IsSymlinktargetPath. The siblings UpdateRepoFile, DeleteRepoFile, and GetDiffPreview use hasSymlinkInPath, which lstats every component —...

CVE-2026-52811 Gogs: UploadRepoFiles writes outside repo working tree via committed parent sym

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Repository.UploadRepoFiles checks for symlinks only on the leaf of the upload target osx.IsSymlinktargetPath. The siblings UpdateRepoFile, DeleteRepoFile, and GetDiffPreview use hasSymlinkInPath, which lstats every component —...

EUVD-2026-39082

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Repository.UploadRepoFiles checks for symlinks only on the leaf of the upload target osx.IsSymlinktargetPath. The siblings UpdateRepoFile, DeleteRepoFile, and GetDiffPreview use hasSymlinkInPath, which lstats every component —...

CVE-2026-52808

Summary : Gogs exposes an authorization flaw where three admin-equivalent API endpoints (PATCH /api/v1/repos/:owner/:repo/issue-tracker, PATCH /api/v1/repos/:owner/:repo/wiki, POST /api/v1/repos/:owner/:repo/mirror-sync) are protected by write-level middleware (reqRepoWriter) instead of admin-lev...

CVE-2026-52805

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a Server-Side Request Forgery SSRF vulnerability exists in the repository migration functionality. The application validates only the initially submitted URL hostname, but git clone --mirror follows HTTP redirects. An authenticated...