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TI-2025-09371 Aliases CVE-2025-10209GHSA-hg9x-54vv-qq44

Papermerge DMS Authorization Token improper authorization

Priority MEDIUM 57CWE-266Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.

Summary

A security flaw has been discovered in Papermerge DMS up to 3.5.3. This issue affects some unknown processing of the component Authorization Token Handler. Performing manipulation results in improper authorization. The attack can be initiated remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
papermergeDMS3.5.0; 3.5.1; 3.5.2; 3.5.3—No fix listedCNA
  • DMS Vendorpapermerge Affected 3.5.0; 3.5.1; 3.5.2; 3.5.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-10209
  2. 2026-10-03 Alias added: GHSA-hg9x-54vv-qq44

References

Exploit 1

  • TI-2026-67734 Path traversal in Papermerge upload API allows remote code execution CVSS 3.1HIGH 7.5
  • TI-2026-74117 Missing authorization in Papermerge Core shared nodes API CVSS 4.0HIGH 7.7
  • TI-2026-74116 Missing authorization in Papermerge Core page management and OCR CVSS 4.0HIGH 7.7
  • TI-2020-17690 Multiple cross-site scripting (XSS) vulnerabilities in Papermerge before 1.5.2 allow… CVSS 3.1MEDIUM 6.1
  • TI-2026-74118 Missing authorization in Papermerge Core exposes other groups' tags CVSS 4.0LOW 2.3

Sources

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