Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck
CVE-2026-111350Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API
Medium 5.0
In plain English
A medium-severity missing authorization in Papermark from papermark. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- https://hackmd.io/@hieuPenguinnn/papermark-dataroom-group-delete-missing-authz third-party-advisory
- https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/index.ts#L155-L190 technical-description
- https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/links.ts#L52-L56 technical-description
- https://github.com/papermark/papermark/commit/b81cf62f390cda112f35538eb09e54b5f728b74a patch
- https://github.com/papermark/papermark/commit/7fa52b23944823a9e74402fca8e48d644239bc0b patch
- https://github.com/papermark/papermark product
- VulnCheck Advisory: Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API third-party-advisory