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MEDIUM severity

GHSA-hf86-8x8v-h7vc — eventmesh-runtime

MEDIUM

GHSA-hf86-8x8v-h7vc is a medium-severity (CVSS 6.3) Server-Side Request Forgery (SSRF) vulnerability in org.apache.eventmesh:eventmesh-runtime. No vendor fix is recorded yet; mitigation options are listed below.

Apache EventMesh Vulnerable to Server-Side Request Forgery in WebhookUtil.java

Also known asCVE-2024-39954
Published
Aug 20, 2025
Updated
Aug 20, 2025
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Sep 26, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-hf86-8x8v-h7vc.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs30th percentile — riskier than 30% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-hf86-8x8v-h7vc by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 379,842 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕org.apache.eventmesh:eventmesh-runtime

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.eventmesh:eventmesh-runtime≥ 1.6.0-releaseNo fix

Affected Products

1 product · 1 configurations
Application
eventmeshapache
< 1.12.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.eventmesh:eventmesh-runtime, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of org.apache.eventmesh:eventmesh-runtime has shipped for GHSA-hf86-8x8v-h7vc yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    Restrict outbound requests from the affected component to an allowlist of hosts, block access to link-local and internal address ranges at the network layer, and require authentication on internal services so a forged request cannot reach them unauthenticated.

Frequently Asked Questions

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.
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GHSA-hf86-8x8v-h7vc: SSRF (Medium 6.3) | O3 Security