Is there a public exploit for CVE-2025-9799?

No public exploit for CVE-2025-9799 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2025-9799?

CVE-2025-9799 scores CVSS 2.3 (v4.0), rated low. EPSS puts the chance of exploitation in the next 30 days at 0.3%.

What does CVE-2025-9799 affect?

CVE-2025-9799 affects n/a Langfuse.

2.3 Low

A security flaw has been discovered in Langfuse up to 3.88.0.

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.

Assessment

CVSS: 2.3 (v4.0)
Severity: Low
EPSS: 0.3% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 1 September 2025
Last updated: 19 October 2026
Affected: n/a · Langfuse
Weakness: CWE-918
Assigner: cna@vuldb.com

CVSS vectorCVSS: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

At the source

References

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