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TI-2026-75084 Aliases CVE-2026-111350

Missing authorization in Papermark data room viewer group API

Priority LOW 12CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Papermark through 0.22.0 contains a missing authorization flaw (CWE-862) in its data room viewer group API. An authenticated user who knows a victim team's data room and group identifiers can delete other teams' viewer groups and share links, read group links, or rewrite group document permissions across teams.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00253 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
papermarkPapermarkup to 0.22.0—No fix listedCNA
  • Papermark Vendorpapermark Affected up to 0.22.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Papermark.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111350
  2. 2026-10-16 CISA SSVC decision points changed

References

Patch 2

Advisory 1

Other 3

  • TI-2025-35601 Directory Traversal vulnerability in Papermark 0.20.0 and prior allows authenticated… CVSS 3.1MEDIUM 6.5
  • TI-2026-41723 Papermark 0.22.0 - CORS Misconfiguration in Viewer Upload Endpoint CVSS 4.0LOW 2.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences