{"id":"CVE-2026-111350","aliases":["EUVD-2026-102494","GHSA-xxc7-55p3-gxvw"],"status":"published","title":"Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API","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.","severity":{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00253,"percentile":0.16918,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-10-15T21:43:40Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"papermark","product":"papermark"}],"references":[{"url":"https://hackmd.io/@hieuPenguinnn/papermark-dataroom-group-delete-missing-authz","tags":["third-party-advisory","advisory"]},{"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":["technical-description","article"]},{"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":["technical-description","article"]},{"url":"https://github.com/papermark/papermark/commit/b81cf62f390cda112f35538eb09e54b5f728b74a","tags":["patch","fix"]},{"url":"https://github.com/papermark/papermark/commit/7fa52b23944823a9e74402fca8e48d644239bc0b","tags":["patch","fix"]},{"url":"https://github.com/papermark/papermark","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/papermark-through-0.22.0-missing-authorization-in-data-room-viewer-group-api","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111350","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xxc7-55p3-gxvw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111350.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-111350","title":"Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API","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.","status":"published","published":"2026-10-15T21:43:40.792Z","modified":"2026-10-16T17:08:28.899Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low","assessor":"cna"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-102494","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.","status":"published","published":"2026-10-15T21:43:40Z","modified":"2026-10-16T17:08:28Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T17:00:04.71095Z"}],"ghsa":[{"id":"GHSA-xxc7-55p3-gxvw","title":"Papermark through 0.22.0 contains a missing authorization vulnerability in the data room viewer...","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.","status":"published","published":"2026-10-16T00:31:57Z","modified":"2026-10-16T00:31:58Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:13:49.895192Z"}],"nvd":[{"id":"CVE-2026-111350","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.","status":"published","published":"2026-10-15T22:19:32.737Z","modified":"2026-10-16T18:25:45.343Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:59.751798Z"}],"osv":[{"id":"CVE-2026-111350","title":"Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API","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.","status":"published","published":"2026-10-15T21:43:40.792Z","modified":"2026-10-28T02:30:52.328335179Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:44:55.938017Z"}]}}