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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00253.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
papermark Papermark unaffected
Version Status Constraints
0 affected ≤ 0.22.0

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

Vendors Products
Papermark Subscribe
Papermark Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Fri, 16 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API
First Time appeared Papermark
Papermark papermark
Weaknesses CWE-862
CPEs cpe:2.3:a:papermark:papermark:*:*:*:*:*:*:*:*
Vendors & Products Papermark
Papermark papermark
References
Metrics cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_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'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T17:08:28.899Z

Reserved: 2026-10-15T20:54:32.167Z

Link: CVE-2026-111350

cve-icon Vulnrichment

Updated: 2026-10-16T16:31:43.200Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T22:19:32.737

Modified: 2026-10-16T18:25:45.343

Link: CVE-2026-111350

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T16:00:12Z

Weaknesses