{"action":"Upgrade github.com/cloudreve/Cloudreve/v4 to 4.0.0-20260613030215-0b00dd308f13 or later.","affected":[{"fixed":"4.0.0-20260613030215-0b00dd308f13","introduced":"0"}],"component":"github.com/cloudreve/Cloudreve/v4","cve_ids":["CVE-2026-55499"],"ecosystem":"Go","epss":0.00331,"exploited":false,"fixed_versions":["4.0.0-20260613030215-0b00dd308f13"],"ghsa_id":"GHSA-w8x7-h2px-xmq8","id":"tcs_01M5KGRV7B451FFSMEX1YD8KTH","modified_at":"2026-08-18T15:00:16.143005609Z","published_at":"2026-08-18T14:32:29Z","references":["https://osv.dev/vulnerability/GO-2026-6102","https://github.com/cloudreve/cloudreve/security/advisories/GHSA-w8x7-h2px-xmq8","https://github.com/cloudreve/cloudreve/commit/0b00dd308f132d6e6e8476857ef79f4865600bbc","https://github.com/cloudreve/cloudreve/releases/tag/4.17.0"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-6102#Go/github.com/cloudreve/Cloudreve/v4","url":"https://osv.dev/vulnerability/GO-2026-6102"}],"summary":"Cloudreve: Broken Access Control in file event stream: a single-file share recipient is subscribed to the owner's parent folder and receives activity events for unshared siblings in github.com/cloudre"}