CVE-2025-59305
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductLangfuse
PublishedSep 24, 2025
First seenSep 24, 2025
Weakness typeCWE-285CWE-285
How to fix
Update
- langfuse langfuse3.109.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langfuse langfuse | 3.1.0 ≤ v < 3.109.0 | 3.109.0 |
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