{"id":"CVE-2026-73273","aliases":["EUVD-2026-101103","GHSA-5xcq-p92v-43rf"],"status":"published","title":"Gitea Maven checksum upload quota bypass and memory exhaustion","description":"Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas. An authenticated user with package-publish permission can submit an oversized body to a checksum endpoint despite legitimate checksum values being at most 128 bytes. This bypasses the upload quota on that path and can exhaust server memory.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00389,"percentile":0.33313,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-10-14T14:37:30Z","modified":"2026-10-28T02:30:55Z","products":[{"vendor":"gitea","product":"gitea"}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-5xcq-p92v-43rf","tags":["vendor-advisory","advisory"]},{"url":"https://blog.gitea.com/release-of-1.27.3/","tags":["release-notes","advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39028","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/pull/39031","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.3","tags":["release-notes","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73273.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73273","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-73273","title":"Gitea Maven checksum upload quota bypass and memory exhaustion","description":"Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas. An authenticated user with package-publish permission can submit an oversized body to a checksum endpoint despite legitimate checksum values being at most 128 bytes. This bypasses the upload quota on that path and can exhaust server memory.","status":"published","published":"2026-10-14T14:37:30.614Z","modified":"2026-10-14T15:03:16.838Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T13:43:22.599321Z"}],"euvd":[{"id":"EUVD-2026-101103","description":"Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas. An authenticated user with package-publish permission can submit an oversized body to a checksum endpoint despite legitimate checksum values being at most 128 bytes. This bypasses the upload quota on that path and can exhaust server memory.","status":"published","published":"2026-10-14T14:37:30Z","modified":"2026-10-14T15:03:16Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T17:27:15.108271Z"}],"nvd":[{"id":"CVE-2026-73273","description":"Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas. An authenticated user with package-publish permission can submit an oversized body to a checksum endpoint despite legitimate checksum values being at most 128 bytes. This bypasses the upload quota on that path and can exhaust server memory.","status":"published","published":"2026-10-14T15:17:23.41Z","modified":"2026-10-14T16:17:53.353Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-73273","title":"Gitea Maven checksum upload quota bypass and memory exhaustion","description":"Gitea's Maven upload handler reads checksum uploads entirely into memory and returns before enforcing package-size quotas. An authenticated user with package-publish permission can submit an oversized body to a checksum endpoint despite legitimate checksum values being at most 128 bytes. This bypasses the upload quota on that path and can exhaust server memory.","status":"published","published":"2026-10-14T14:37:30.614Z","modified":"2026-10-28T02:30:55.932289705Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:45:16.365946Z"}]}}