CVE-2025-9799

Monday, September 01, 2025

2.3

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

Summary

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 Software

Vendor	Product	Version Range	Status
n/a	Langfuse	`3.0`	affected
n/a	Langfuse	`3.1`	affected
n/a	Langfuse	`3.2`	affected
n/a	Langfuse	`3.3`	affected
n/a	Langfuse	`3.4`	affected
n/a	Langfuse	`3.5`	affected
n/a	Langfuse	`3.6`	affected
n/a	Langfuse	`3.7`	affected
n/a	Langfuse	`3.8`	affected
n/a	Langfuse	`3.9`	affected
n/a	Langfuse	`3.10`	affected
n/a	Langfuse	`3.11`	affected
n/a	Langfuse	`3.12`	affected
n/a	Langfuse	`3.13`	affected
n/a	Langfuse	`3.14`	affected
n/a	Langfuse	`3.15`	affected
n/a	Langfuse	`3.16`	affected
n/a	Langfuse	`3.17`	affected
n/a	Langfuse	`3.18`	affected
n/a	Langfuse	`3.19`	affected
n/a	Langfuse	`3.20`	affected
n/a	Langfuse	`3.21`	affected
n/a	Langfuse	`3.22`	affected
n/a	Langfuse	`3.23`	affected
n/a	Langfuse	`3.24`	affected
n/a	Langfuse	`3.25`	affected
n/a	Langfuse	`3.26`	affected
n/a	Langfuse	`3.27`	affected
n/a	Langfuse	`3.28`	affected
n/a	Langfuse	`3.29`	affected
n/a	Langfuse	`3.30`	affected
n/a	Langfuse	`3.31`	affected
n/a	Langfuse	`3.32`	affected
n/a	Langfuse	`3.33`	affected
n/a	Langfuse	`3.34`	affected
n/a	Langfuse	`3.35`	affected
n/a	Langfuse	`3.36`	affected
n/a	Langfuse	`3.37`	affected
n/a	Langfuse	`3.38`	affected
n/a	Langfuse	`3.39`	affected
n/a	Langfuse	`3.40`	affected
n/a	Langfuse	`3.41`	affected
n/a	Langfuse	`3.42`	affected
n/a	Langfuse	`3.43`	affected
n/a	Langfuse	`3.44`	affected
n/a	Langfuse	`3.45`	affected
n/a	Langfuse	`3.46`	affected
n/a	Langfuse	`3.47`	affected
n/a	Langfuse	`3.48`	affected
n/a	Langfuse	`3.49`	affected
n/a	Langfuse	`3.50`	affected
n/a	Langfuse	`3.51`	affected
n/a	Langfuse	`3.52`	affected
n/a	Langfuse	`3.53`	affected
n/a	Langfuse	`3.54`	affected
n/a	Langfuse	`3.55`	affected
n/a	Langfuse	`3.56`	affected
n/a	Langfuse	`3.57`	affected
n/a	Langfuse	`3.58`	affected
n/a	Langfuse	`3.59`	affected
n/a	Langfuse	`3.60`	affected
n/a	Langfuse	`3.61`	affected
n/a	Langfuse	`3.62`	affected
n/a	Langfuse	`3.63`	affected
n/a	Langfuse	`3.64`	affected
n/a	Langfuse	`3.65`	affected
n/a	Langfuse	`3.66`	affected
n/a	Langfuse	`3.67`	affected
n/a	Langfuse	`3.68`	affected
n/a	Langfuse	`3.69`	affected
n/a	Langfuse	`3.70`	affected
n/a	Langfuse	`3.71`	affected
n/a	Langfuse	`3.72`	affected
n/a	Langfuse	`3.73`	affected
n/a	Langfuse	`3.74`	affected
n/a	Langfuse	`3.75`	affected
n/a	Langfuse	`3.76`	affected
n/a	Langfuse	`3.77`	affected
n/a	Langfuse	`3.78`	affected
n/a	Langfuse	`3.79`	affected
n/a	Langfuse	`3.80`	affected
n/a	Langfuse	`3.81`	affected
n/a	Langfuse	`3.82`	affected
n/a	Langfuse	`3.83`	affected
n/a	Langfuse	`3.84`	affected
n/a	Langfuse	`3.85`	affected
n/a	Langfuse	`3.86`	affected
n/a	Langfuse	`3.87`	affected
n/a	Langfuse	`3.88.0`	affected

Weaknesses

CWE-918: Server-Side Request Forgery

ADP Enrichment

CISA ADP Vulnrichment

SSVC:
Exploitation: poc
- Automatable: no
- Technical Impact: partial

References

Feedback

Was this page helpful?

Glad to hear it! Please tell us how we can improve.

Sorry to hear that. Please tell us how we can improve.