What is CVE-2024-39954?

CVE-2024-39954 is a medium-severity vulnerability in Apache Eventmesh, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2025-08-20.

How severe is CVE-2024-39954?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SSRF in Apache Eventmesh

CVE-2024-39954

CWE-918 Server-Side Request Forgery (SSRF) in eventmesh-runtime module in WebhookUtil.java on windows\linux\mac os e.g. allows the attacker can abuse functionality on the server to read or update internal resources. Users are recommended to upgrade to version 1.12.0 or use the master branch , which fixes this issue.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2025-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (30.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apache Eventmesh
Apache Software Foundation Eventmesh Runtime — versions 1.6.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

lists.apache.org/thread/v6c96zygqx8xc2k3n2d59mgnm5txhkon (vendor-advisory, Mailing List)

Frequently asked questions

What is CVE-2024-39954?: CVE-2024-39954 is a medium-severity vulnerability in Apache Eventmesh, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2025-08-20.
How severe is CVE-2024-39954?: Medium severity. CVSS v3 base score is 6.3 out of 10.