CVE-2026-111350

Papermark through 0.22.0 Missing Authorization in Data Room Viewer Group API

MEDIUM
5
CVSS Score
Published: October 15, 2026 at 09:43 PM UTC
Updated: October 16, 2026 at 06:25 PM UTC
1 product affected across 1 vendorPapermark

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Severity
MEDIUM5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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