CVE-2025-10209 Papermerge DMS Authorization Token improper authorization

Medium 5.3 Published Updated

Remote attackers can bypass authorization checks in Papermerge DMS due to improper token handling, potentially accessing unauthorized resources.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-10209?

CVE-2025-10209 is a medium-severity missing authorization vulnerability in Papermerge DMS, published on 10 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-285, CWE-266

Which versions are affected by CVE-2025-10209?

How do I fix CVE-2025-10209?

No fix has been published for CVE-2025-10209 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-10209 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10209 exists.

Sources

Also known as GHSA-hg9x-54vv-qq44.

Is CVE-2025-10209 in your software?

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