CVE-2025-59305

HIGH EPSS 16.9%
Published Sep 24, 20259mo ago · Modified Jun 17, 20262w ago
7.6 CVSS 3.1
High
Find Similar
Published Sep 24, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.6
Exploitability
2.8
Impact
4.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
16.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-285

Affected Products 1

VendorProductVersionRange
langfuselangfuse*≥3.1.0  –  <3.109.0

References 1

  • depthfirst.com https://depthfirst.com/post/how-an-authorization-flaw-reveals-a-common-security-blind-spot-cve-2025-59305-case-study
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.