{"id":"CVE-2026-111350","published":"2026-10-15T22:19:32.737","lastModified":"2026-10-16T18:25:45.343","description":"Papermark through 0.22.0 contains a missing authorization vulnerability in the data room viewer group API that allows authenticated users to delete other teams' viewer groups and share links. Attackers who know a victim team's data room and group identifiers can send DELETE requests, read group links, or rewrite group document permissions across teams.","cvssScore":5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/papermark/papermark","tags":[]},{"url":"https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/index.ts#L155-L190","tags":[]},{"url":"https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/links.ts#L52-L56","tags":[]},{"url":"https://github.com/papermark/papermark/commit/7fa52b23944823a9e74402fca8e48d644239bc0b","tags":[]},{"url":"https://github.com/papermark/papermark/commit/b81cf62f390cda112f35538eb09e54b5f728b74a","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/papermark-dataroom-group-delete-missing-authz","tags":[]},{"url":"https://www.vulncheck.com/advisories/papermark-through-0.22.0-missing-authorization-in-data-room-viewer-group-api","tags":[]}],"exploitRefs":[{"url":"https://github.com/papermark/papermark","tags":[]},{"url":"https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/index.ts#L155-L190","tags":[]},{"url":"https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/links.ts#L52-L56","tags":[]},{"url":"https://github.com/papermark/papermark/commit/7fa52b23944823a9e74402fca8e48d644239bc0b","tags":[]},{"url":"https://github.com/papermark/papermark/commit/b81cf62f390cda112f35538eb09e54b5f728b74a","tags":[]}],"hasPoc":true,"ai":null}