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CVE-2026-103667 Details

Description

Gitea's container registry served blob downloads with a `Content-Type` taken from the media type declared in pushed image manifests, without a `Content-Disposition` or restrictive content security policy. A user who can push container images can publish a blob containing HTML and JavaScript with a `text/html` media type. When a victim who is authenticated to the instance opens the blob URL in a browser, the script runs on the Gitea origin and can perform actions as the victim, such as creating API tokens.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://blog.gitea.com/release-of-28.0.0/	Gitea Limited
https://github.com/go-gitea/gitea/pull/39398	Gitea Limited
https://github.com/go-gitea/gitea/releases/tag/v28.0.0	Gitea Limited
https://github.com/go-gitea/gitea/security/advisories/GHSA-7cq7-4v93-8wjm	Gitea Limited

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	Gitea Limited

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes