CVE-2026-52809: Use of a Key Past its Expiration Date

Gogs is an open source self-hosted Git service. Prior to 0.14.3, password-reset tokens are generated using conf.Auth.ActivateCodeLives the account-activation lifetime, not conf.Auth.ResetPasswordCodeLives. The token lifetime is baked into the token itself at generation time and is re-extracted fr...

CVE-2026-47267: Server-Side Request Forgery (SSRF)

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the fix for CVE-2022-1285 prevents adding webooks or running webhooks with URLs with a hostname that resolves in localCIDRs. However, webhooks still follow redirects allowing to access hostname inside localCIDRs. This vulnerability ...

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...

CVE-2026-52798: Improper Neutralization of Input During Web Page Generation

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52811: Improper Limitation of a Pathname to a Restricted Directory

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-2026-52810: Improper Access Control

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git smart HTTP authorizes POST …/git-receive-pack using the client-supplied service query string so ?service=git-upload-pack is evaluated as read access while routing still runs git receive-pack, allowing push where only read should...

CVE-2026-52799: Authorization Bypass Through User-Controlled Key

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-2026-52800: Cross-Site Request Forgery (CSRF)

Gogs is an open source self-hosted Git service. Prior to 0.14.3, organization team member management can be performed via GET requests without CSRF protection. If a victim who is an organization owner is logged in and is tricked into visiting a crafted link, an attacker-controlled user can be add...

CVE-2026-52802: URL Redirection to Untrusted Site

Gogs is an open source self-hosted Git service. Prior to 0.14.3, an open redirect vulnerability exists in Gogs where attacker-controlled redirectto parameters can bypass validation, allowing redirection to arbitrary external sites. All redirects in Gogs that are validated via the IsSameSite...

CVE-2026-52815: Exposure of Sensitive Information to an Unauthorized Actor

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Gogs has an unauthenticated information disclosure vulnerability. The GET /api/v1/orgs/:orgname/teams endpoint at internal/route/api/v1/orgteam.go:8 returns all teams for any organization without requiring authentication. The route...

CVE-2026-52816: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with...

CVE-2026-52795: Incorrect Authorization

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-2026-52812: Insufficient Verification of Data Authenticity

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...

CVE-2026-52814: Uncontrolled Resource Consumption

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Gogs built-in Go SSH server is vulnerable to an unauthenticated, asymmetric Denial of Service DoS attack. The application accepts inbound TCP connections and passes them to golang.org/x/crypto/ssh.NewServerConn inside a new...

Gogs's Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Summary The Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with p.AllowURLSchemes"data" which permits all data URI schemes...

GHSA-3W28-36P9-W929 Gogs's Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Summary The Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with p.AllowURLSchemes"data" which permits all data URI schemes...

Gogs has Unauthenticated Asymmetric Denial of Service (DoS) via SSH Handshake Stall (File Descriptor Exhaustion)

The Gogs built-in Go SSH server is vulnerable to an unauthenticated, asymmetric Denial of Service DoS attack. The application accepts inbound TCP connections and passes them to golang.org/x/crypto/ssh.NewServerConn inside a new goroutine without enforcing any read/write deadlines on the underlyin...

GHSA-XP79-5MX3-JX52 Gogs has Unauthenticated Asymmetric Denial of Service (DoS) via SSH Handshake Stall (File Descriptor Exhaustion)

The Gogs built-in Go SSH server is vulnerable to an unauthenticated, asymmetric Denial of Service DoS attack. The application accepts inbound TCP connections and passes them to golang.org/x/crypto/ssh.NewServerConn inside a new goroutine without enforcing any read/write deadlines on the underlyin...

Gogs has Path Traversal in organization name that results in RCE through Git hooks

Summary Organization names containing path traversal sequences ../ are accepted by Gogs, and repositories under them are written to paths following these path traversals. This allows storing/retrieving data for repositories at arbitrary locations on the filesystem. By creating nested structure of...

GHSA-C39W-43GM-34H5 Gogs has Path Traversal in organization name that results in RCE through Git hooks

Summary Organization names containing path traversal sequences ../ are accepted by Gogs, and repositories under them are written to paths following these path traversals. This allows storing/retrieving data for repositories at arbitrary locations on the filesystem. By creating nested structure of...