CVE-2026-111350 Details
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.
A missing authorization vulnerability has been identified in Papermark versions through 0.22.0, specifically within the data room viewer group API. This vulnerability allows authenticated users to delete viewer groups and share links belonging to other teams. Attackers aware of a victim team's data room and group identifiers can exploit this by sending DELETE requests, which are processed without proper authorization checks. As a result, the attacker's team ID can be substituted, leading to unauthorized deletions across teams.
To address this vulnerability, the DELETE method should be updated to include team membership verification and constrain deletions to the user's own team. This can be achieved by incorporating a team membership query and requiring that the group and links being deleted belong to the user's team.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 15, 2026CISA-ADP
Assessed Oct 16, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Papermark | <= 0.22.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 16, 2026 | CVE Modified | CISA-ADP |
| Oct 15, 2026 | New CVE Received | [email protected] |