CVE-2025-9799

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 v3 5.0 MEDIUM
CVSS v2.0 4.6 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:S/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/langfuse/langfuse/issues/8522
https://github.com/langfuse/langfuse/issues/8522#issue-3320549867
https://vuldb.com/?ctiid.322114
https://vuldb.com/?id.322114
https://vuldb.com/?submit.641128

Configurations

No configuration.

History

01 Sep 2025, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-09-01 22:15

Updated : 2025-09-02 15:55

NVD link : CVE-2025-9799

Mitre link : CVE-2025-9799

CVE.ORG link : CVE-2025-9799

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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