CVE-2026-110623 Papermerge Core - Broken Access Control

Papermerge Core through 3.5.3 contains a broken access control vulnerability in the shared nodes API, letting authenticated users share other users' documents and escalate privileges by supplying arbitrary node UUIDs.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version beyond 3.5.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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