medium5.0
CVE-2025-9799
A security flaw has been discovered in Langfuse up to 3.88.0.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Langfuse | Langfuse | through 3.88.0 |