CVE-2025-9799
LOW EPSS 17.0%
Published Sep 1, 202510mo ago · Modified Jun 17, 20262w ago
1.3 CVSS 4.0
Published Sep 1, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
17.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-918 Server-Side Request Forgery (SSRF) Validation
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| langfuse | langfuse | * | ≤3.88.0 |
References 5
- github.com https://github.com/langfuse/langfuse/issues/8522
- github.com https://github.com/langfuse/langfuse/issues/8522#issue-3320549867
- vuldb.com https://vuldb.com/?ctiid.322114
- vuldb.com https://vuldb.com/?id.322114
- vuldb.com https://vuldb.com/?submit.641128
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.