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TI-2026-49915 Aliases CVE-2026-71244GHSA-666w-8983-6664

Paperless-ngx - Mail Account Test Connection Leaks Stored IMAP/OAuth Credentials to Attacker-Controlled Host

Priority LOW 29CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, account_type, refresh_token, and expiration from that existing account while allowing the caller to supply a different imap_server, imap_port, and imap_security in the same request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0034 27th 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
paperless-ngxpaperless-ngxall versions—No fix listedCNA
  • paperless-ngx Vendorpaperless-ngx Affected all versions 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-2026-71244
  2. 2026-10-03 Alias added: GHSA-666w-8983-6664

References

Advisory 1

  • TI-2024-23258 paperless-ngx's remote user auth via header works even when disabling it for API CVSS 3.1MEDIUM 5.5

Sources

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