๐Ÿ” CVE Alert

CVE-2026-111350

MEDIUM 5.0

Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API

CVSS Score
5.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-862
Vendor papermark
Product papermark
Published Oct 15, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Affected Versions

papermark / Papermark
0 โ‰ค 0.22.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
hackmd.io: https://hackmd.io/@hieuPenguinnn/papermark-dataroom-group-delete-missing-authz github.com: https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/index.ts#L155-L190 github.com: https://github.com/papermark/papermark/blob/v0.22.0/pages/api/teams/%5BteamId%5D/datarooms/%5Bid%5D/groups/%5BgroupId%5D/links.ts#L52-L56 github.com: https://github.com/papermark/papermark/commit/b81cf62f390cda112f35538eb09e54b5f728b74a github.com: https://github.com/papermark/papermark/commit/7fa52b23944823a9e74402fca8e48d644239bc0b github.com: https://github.com/papermark/papermark vulncheck.com: https://www.vulncheck.com/advisories/papermark-through-0.22.0-missing-authorization-in-data-room-viewer-group-api

Credits

hieuPenguinnn