CVE-2025-9799 – Langfuse SSRF Vulnerability

The following table lists the changes that have been made to the
CVE-2025-9799 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Sep. 01, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:H/Au:S/C:P/I:P/A:P)
    Added CWE CWE-918
    Added Reference https://github.com/langfuse/langfuse/issues/8522
    Added Reference https://github.com/langfuse/langfuse/issues/8522#issue-3320549867
    Added Reference https://vuldb.com/?ctiid.322114
    Added Reference https://vuldb.com/?id.322114
    Added Reference https://vuldb.com/?submit.641128
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