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CVE-2026-103667

5.4 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.4 · giteaNVD modified 2026-10-15 02:25

Affected (CPE criteria) 1

  • cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

References 4