Description
A security flaw has been discovered in Langfuse up to 3.88.0. Affected by this vulnerability is the function promptChangeEventSourcing of the file web/src/features/prompts/server/routers/promptRouter.ts of the component Webhook Handler. Performing manipulation results in server-side request forgery. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation appears to be difficult. The exploit has been released to the public and may be exploited.
Metrics
CVSS 3.1 5.0/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Langfuse | 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; 3.8; 3.9; 3.10; 3.11; 3.12; 3.13; 3.14; 3.15; 3.16; 3.17; 3.18; 3.19 |
References
- https://github.com/langfuse/langfuse/issues/8522Exploit, Issue Tracking
- https://github.com/langfuse/langfuse/issues/8522#issue-3320549867Exploit, Issue Tracking
- https://vuldb.com/?ctiid.322114Permissions Required, VDB Entry
- https://vuldb.com/?id.322114Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.641128Third Party Advisory, VDB Entry
Timeline
- Published
- Sep 1, 2025
- Last modified
- Oct 19, 2026
- NVD status
- Analyzed