CVE-2025-59305 Missing authorization in n/a

High 7.6 Published Updated

Authenticated users can invoke background migration endpoints, causing data corruption or denial of service due to missing authorization checks.

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-2025-59305?

CVE-2025-59305 is a high-severity missing authorization vulnerability in n/a, published on 24 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper authorization in the background migration endpoints of Langfuse 3.1 before d67b317 allows any authenticated user to invoke migration control functions. This can lead to data corruption or denial of service through unauthorized access to TRPC endpoints such as backgroundMigrations.all, backgroundMigrations.status, and backgroundMigrations.retry.

Weakness: CWE-285

Which versions are affected by CVE-2025-59305?

It affects 1 product.

Products include Langfuse Langfuse.

How do I fix CVE-2025-59305?

No fix has been published for CVE-2025-59305 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-2025-59305 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-59305 exists.

Sources

Also known as GHSA-9m9r-362p-h3rf.

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