CVE-2025-9799 — Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery
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/serve…
Published: 2025-09-01 · CVSS: 2.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7