CVE-2025-59305

7.6 HIGH
Published: September 24, 2025 Modified: December 02, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.6 / 10.0
EPSS (Exploit Probability)
0.1%
18th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

langfuse