{"id":"EUVD-2026-18019","revision":"6feed8b86ec34248bd7c58a43fc0327a","records":[{"revision":"6feed8b86ec34248bd7c58a43fc0327a","observedAt":"2026-11-05T07:56:20.222+00:00","statement":{"source":"euvd","id":"EUVD-2026-18019","aliases":["CVE-2026-34750"],"title":"Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3, the client-upload signed-URL endpoints …","description":"Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3, the client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize filenames. An attacker could craft filenames to escape the intended storage location. This issue has been patched in version 3.78.0 for @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5,"severity":null}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-frq9-7j6g-v74x"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-18019","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 1, 2026, 7:51:59 PM","dateUpdated":"Apr 2, 2026, 3:33:58 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-18019","identifiers":["EUVD-2026-18019","CVE-2026-34750"]},"retained":false,"historicalAffected":[]}],"coverage":[]}