CVE-2026-111350

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.

CVSS v3 5.0 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

No configuration.

History

15 Oct 2026, 22:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-15 22:19

Updated : 2026-10-16 18:25

NVD link : CVE-2026-111350

Mitre link : CVE-2026-111350

CVE.ORG link : CVE-2026-111350

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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