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Findings

CVE-2026-103667

Gitea's container registry served blob downloads with a taken from the media type declared in pushed image manifests, without a or restrictive content security policy.

Published Oct 6, 2026 · updated Oct 15, 2026 · gitea gitea

Gitea's container registry served blob downloads with a taken from the media type declared in pushed image manifests, without a or restrictive content security policy. A user who can push container images can publish a blob containing HTML and JavaScript with a 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.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 6, 2026 · NIST NVD

    Detected

    Gitea's container registry served blob downloads with a taken from the media type declared in pushed image manifests, without a or restrictive content security policy. A user who can push container images can publish a blob containing HTML and JavaScript with a 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 ca

  2. Oct 15, 2026 · NIST NVD

    Updated

    Gitea's container registry served blob downloads with a taken from the media type declared in pushed image manifests, without a or restrictive content security policy. A user who can push container images can publish a blob containing HTML and JavaScript with a 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 ca

Affected

  • cpe gitea/giteaversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-103667

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-103667

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-103667

    Gitea's container registry served blob downloads with a taken from the media type declared in pushed image manifests, without a or restrictive content security policy. A user who can push container images can publish a blob containing HTML and

    nvd.nist.gov

References