{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103667", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-10-04T21:57:35.562Z", "datePublished": "2026-10-06T19:23:34.873Z", "dateUpdated": "2026-10-06T19:23:34.873Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-06T19:23:34.873Z"}, "title": "Gitea container registry stored XSS through blob media type", "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "Gitea", "product": "Gitea", "packageName": "gitea.dev", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.27.3", "versionType": "semver"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-7cq7-4v93-8wjm", "name": "GitHub Security Advisory GHSA-7cq7-4v93-8wjm", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/39398", "name": "Fix: go-gitea/gitea pull request #39398", "tags": ["patch"]}, {"url": "https://blog.gitea.com/release-of-28.0.0/", "name": "Gitea 28.0.0 release announcement", "tags": ["release-notes"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v28.0.0", "name": "go-gitea/gitea v28.0.0 release", "tags": ["release-notes"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "credits": [{"lang": "en", "value": "https://github.com/parameter-ai-security", "type": "reporter"}, {"lang": "en", "value": "https://github.com/wxiaoguang", "type": "remediation developer"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "gitea.dev", "product": "Gitea", "vendor": "Gitea", "versions": [{"lessThanOrEqual": "1.27.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-103667", "lastModified": "2026-10-06T20:17:14.607", "metrics": {}, "published": "2026-10-06T20:17:14.607", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-28.0.0/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/39398"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v28.0.0"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-7cq7-4v93-8wjm"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{}