Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Langfuse | Langfuse | <= 3.88.0 |
Related Weaknesses (CWE)
References
- https://github.com/langfuse/langfuse/issues/8522ExploitIssue Tracking
- https://github.com/langfuse/langfuse/issues/8522#issue-3320549867ExploitIssue Tracking
- https://vuldb.com/?ctiid.322114Permissions RequiredVDB Entry
- https://vuldb.com/?id.322114Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.641128Third Party AdvisoryVDB Entry
FAQ
What is CVE-2025-9799?
CVE-2025-9799 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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....
How severe is CVE-2025-9799?
CVE-2025-9799 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-9799?
Check the references section above for vendor advisories and patch information. Affected products include: Langfuse Langfuse.