What is GHSA-rvwx-fgxf-5vwq?

GHSA-rvwx-fgxf-5vwq is a security advisory published by GitHub Security Advisories with Medium severity. CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57....

Which CVE IDs does GHSA-rvwx-fgxf-5vwq cover?

GHSA-rvwx-fgxf-5vwq covers the following CVE IDs: CVE-2026-55400. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rvwx-fgxf-5vwq?

GHSA-rvwx-fgxf-5vwq has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-rvwx-fgxf-5vwqMediumCVSS 6.5

CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57....

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

September 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-55400 →

📋 Description

CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57. Attackers with an authenticated session can send specially crafted traffic to a server in a non-default configuration and cause a persistent denial of service.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55400
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55400
https://github.com/advisories/GHSA-rvwx-fgxf-5vwq