CVE-2026-103667: medium-severity vulnerability in Gitea
Gitea container registry stored XSS through blob media type
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected products
Gitea · GiteaRelated CVEs — Gitea
In the same product, most dangerous first.
CVE-2026-60004CRITICALCVE-2026-60004EPSS 24.0%KEVCVE-2019-1010314—CVE-2019-1010314EPSS 0.8%CVE-2019-1010261—CVE-2019-1010261EPSS 0.8%CVE-2026-34966HIGHGitea prior to 1.27.0 SSRF via Migration URI Fetch BypassEPSS 0.4%CVE-2025-69413MEDIUMCVE-2025-69413EPSS 0.4%CVE-2025-68938MEDIUMCVE-2025-68938EPSS 0.4%