{"id":"EUVD-2026-87981","revision":"b7a2fa8590e142428bdb482c33fdc90f","records":[{"revision":"b7a2fa8590e142428bdb482c33fdc90f","observedAt":"2026-11-03T02:16:17.165+00:00","statement":{"source":"euvd","id":"EUVD-2026-87981","aliases":["CVE-2026-101056","GHSA-qh53-mf6v-496j"],"title":"Cloudreve before 4.16.1 fails to revalidate share access when restoring cached navigator state from a context_hint UUID. Attackers who previously had valid share access can replay the cached hint to generate signed file URLs for up to 300 s…","description":"Cloudreve before 4.16.1 fails to revalidate share access when restoring cached navigator state from a context_hint UUID. Attackers who previously had valid share access can replay the cached hint to generate signed file URLs for up to 300 seconds after the share is deleted, expires, or reaches zero remaining downloads.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":null}],"references":["https://github.com/cloudreve/cloudreve/security/advisories/GHSA-vx2m-jpxr-xv7w","https://www.vulncheck.com/advisories/cloudreve-before-4.16.1-authentication-bypass-via-cached-context-hint"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-87981","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 27, 2026, 5:02:38 PM","dateUpdated":"Oct 8, 2026, 3:22:09 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-2026-87981","identifiers":["EUVD-2026-87981","CVE-2026-101056","GHSA-qh53-mf6v-496j"]},"retained":false,"historicalAffected":[]}],"coverage":[]}