What is GHSA-4qg4-f998-wjmm?

GHSA-4qg4-f998-wjmm is a security advisory published by GitHub Security Advisories with High severity. The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP...

Which CVE IDs does GHSA-4qg4-f998-wjmm cover?

GHSA-4qg4-f998-wjmm covers the following CVE IDs: CVE-2026-48131. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4qg4-f998-wjmm?

GHSA-4qg4-f998-wjmm has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-4qg4-f998-wjmmHighCVSS 8.1

The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP...

Vendor

GitHub Security Advisories

Published

May 26, 2026

Last Modified

May 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-48131 →

📋 Description

The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service (temporary disruption of VPN-related functionality).

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-48131
https://support.checkpoint.com/results/sk/sk184981
https://github.com/advisories/GHSA-4qg4-f998-wjmm