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CVE-2026-96594— Gitea repository media API stored XSS

Quick assessment

Affected
Gitea Gitea
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gitea API 端点 会将大小最多为 1 KiB 且直接存储在 Git 中（而非 LFS）的文件写入响应，但未添加 Gitea 用于用户内容所通常使用的 和 头部。因此，提交到仓库中的 HTML 文件会在浏览器中按照 Gitea 的源站进行渲染。任何具有仓库推送权限的用户，都可以诱使受害者在浏览器中打开该媒体文件 URL，从而在受害者的会话中执行 JavaScript 代码，并以受害者的权限执行相关操作。

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I. Basic Information for CVE-2026-96594

Vulnerability Information
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Vulnerability Title
Gitea repository media API stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The Gitea API endpoint `GET /api/v1/repos/{owner}/{repo}/media/{filepath}` wrote files of up to 1 KiB that are stored directly in Git, not in LFS, to the response without the content type and disposition headers Gitea uses for user content. An HTML file committed to a repository was therefore rendered by the browser on the Gitea origin. A user who can push to a repository could run JavaScript in the session of a victim who opens the media URL and act with the victim's permissions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Gitea Gitea 0 ~ 28.0.0 -

II. Public POCs for CVE-2026-96594

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III. Intelligence Information for CVE-2026-96594

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Other References for CVE-2026-96594 (5)

Same Patch Batch · Gitea · 2026-10-06 · 30 CVEs total

CVE-2026-96399 Gitea denial of service through external issue tracker patterns
CVE-2026-97626 Gitea profile feed disclosure bypassing user visibility
CVE-2026-104633 Gitea migration memory exhaustion from zero page size
CVE-2026-101023 Gitea OAuth2 refresh token grant accepts access tokens
CVE-2026-105267 Gitea tag delete route deletes releases without release permission
CVE-2026-105268 Gitea issue attachment API allows changing comment attachments
CVE-2026-89182 Gitea push-to-create bypass of FORCE_PRIVATE policy
CVE-2026-86684 Gitea push mirror local path check uses the repository owner
CVE-2026-97208 Gitea push mirror API bypass of DISABLE_NEW_PUSH policy
CVE-2026-73278 Gitea WebAuthn bypass during OAuth and OIDC sign-in
CVE-2026-79960 Gitea deploy key pushes acting as the repository owner
CVE-2026-70357 Gitea repository migration SSRF through DNS rebinding
CVE-2026-96580 Gitea Actions memory exhaustion through large static matrices
CVE-2026-96589 Gitea private repository access retained after rejected transfer
CVE-2026-96400 Gitea migration SSRF to reserved addresses through ALLOWED_DOMAINS
CVE-2026-94205 Gitea fork workflow approval bypass through maintainer-triggered events
CVE-2026-96404 Gitea installer authentication bypass for existing accounts
CVE-2026-104626 Gitea fork workflow job revival through later approval
CVE-2026-104632 Gitea fork workflow approval bypass through cancel and rerun
CVE-2026-104636 Gitea SSRF through Git HTTP redirects in mirrors and fetches

Showing top 20 of 30 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Gitea
Same vendor: Gitea
Same weakness: CWE-79

V. Comments for CVE-2026-96594

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