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.
https://vuldb.com/?submit.639750
https://vuldb.com/?ctiid.323482
https://docs.google.com/document/d/19j0mCR-QOuhlxAJMir00Z8_MZdydVdmE_Ak09ra2NHw/edit?usp=sharing
https://docs.google.com/document/d/19j0mCR-QOuhlxAJMir00Z8_MZdydVdmE_Ak09ra2NHw/edit?tab=t.0
Published: 2025-09-10
Updated: 2026-04-29
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Severity: Medium
Base Score: 5.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00036