CVE-2025-59305

HIGH

Langfuse 3.1-3.108.0 - Authenticated Improper Authorization via TRPC Background Migration Endpoints

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.6
EPSS 0.0025
EPSS Percentile 16.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-285
Status published
Products (1)
langfuse/langfuse 3.1.0 - 3.109.0
Published Sep 24, 2025
Tracked Since Feb 18, 2026