Github.Com Go-Gitea Gitea vulnerabilities

CVE-2026-20897 [MEDIUM] CWE-284 Gitea does not properly validate repository ownership when deleting Git LFS locks Gitea does not properly validate repository ownership when deleting Git LFS locks Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.

CVE-2026-20912 [MEDIUM] CWE-284 Gitea does not properly validate repository ownership when linking attachments to releases Gitea does not properly validate repository ownership when linking attachments to releases Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.

CVE-2026-20888 [MEDIUM] CWE-284 Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.

CVE-2026-20750 [MEDIUM] CWE-284 Gitea does not properly validate project ownership in organization project operations Gitea does not properly validate project ownership in organization project operations Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.

CVE-2026-20904 [MEDIUM] CWE-284 Gitea does not properly validate ownership when toggling OpenID URI visibility Gitea does not properly validate ownership when toggling OpenID URI visibility Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

CVE-2026-20800 [LOW] CWE-200 Gitea improperly exposes issue and pull request titles Gitea improperly exposes issue and pull request titles Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.

CVE-2026-20883 [LOW] CWE-284 Gitea improperly exposes issue titles and repository names through previously started stopwatches Gitea improperly exposes issue titles and repository names through previously started stopwatches Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.

CVE-2020-28991 [CRITICAL] CWE-284 Improper Access Control in Gitea Improper Access Control in Gitea Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.

CVE-2021-3382 [HIGH] CWE-787 Buffer Overflow in gitea Buffer Overflow in gitea Stack buffer overflow vulnerability in gitea 1.9.0 through 1.13.1 allows remote attackers to cause a denial of service (crash) via vectors related to a file path.

CVE-2022-42968 [CRITICAL] CWE-88 Gitea vulnerable to Argument Injection Gitea vulnerable to Argument Injection Gitea before 1.17.3 does not sanitize and escape refs in the git backend. Arguments to git commands are mishandled.

CVE-2019-11228 [HIGH] CWE-20 Gitea Improper Input Validation Gitea Improper Input Validation repo/setting.go in Gitea before 1.7.6 and 1.8.x before 1.8-RC3 does not validate the `form.MirrorAddress` before calling `SaveAddress`. ### Specific Go Packages Affected github.com/go-gitea/gitea/models

CVE-2019-11229 [HIGH] CWE-94 Gitea Remote Code Execution Gitea Remote Code Execution models/repo_mirror.go in Gitea before 1.7.6 and 1.8.x before 1.8-RC3 mishandles mirror repo URL settings, leading to remote code execution.

CVE-2020-13246 [HIGH] CWE-667 Denial of Service in Gitea Denial of Service in Gitea An issue was discovered in Gitea in which an attacker can trigger a deadlock by initiating a transfer of a repository's ownership from one organization to another.

CVE-2018-1000803 [MEDIUM] CWE-200 Gitea Exposes Private Email Addresses Gitea Exposes Private Email Addresses Gitea version prior to version 1.5.1 contains a CWE-200 vulnerability that can result in Exposure of users private email addresses. This attack appear to be exploitable via Watch a repository to receive email notifications. Emails received contain the other recipients even if they have the email set as private. This vulnerability appears to have been fixed in 1.5.1. ### Specific Go Pac

CVE-2021-45329 [MEDIUM] CWE-79 Cross-site Scripting in Gitea Cross-site Scripting in Gitea Cross Site Scripting (XSS) vulnerability exists in Gitea before 1.5.1 via the repository settings inside the external wiki/issue tracker URL field.

CVE-2021-45327 [CRITICAL] CWE-294 Capture-replay in Gitea Capture-replay in Gitea Gitea is a project to help users set up a self-hosted Git service. Gitea before 1.11.2 is affected by Trusting HTTP Permission Methods on the Server Side when referencing the vulnerable admin or user API. This could allow a remote malicious user to execute arbitrary code.

CVE-2021-45326 [HIGH] CWE-352 Cross Site Request Forgery in Gitea Cross Site Request Forgery in Gitea Cross Site Request Forgery (CSRF) vulnerability exists in Gitea before 1.5.2 via API routes.This can be dangerous especially with state altering POST requests.

CVE-2021-45325 [MEDIUM] CWE-918 Gitea displaying raw OpenID error in UI Gitea displaying raw OpenID error in UI Gitea is a project to help users set up a self-hosted Git service. Server Side Request Forgery (SSRF) vulnerability exists in Gitea before 1.7.0 using the OpenID URL. Gitea can leak sensitive information about the local network through the error provided by the UI.

CVE-2021-45328 [MEDIUM] CWE-601 Open redirect in Gitea Open redirect in Gitea Gitea before 1.4.3 is affected by URL Redirection to Untrusted Site ('Open Redirect') via internal URLs.