What is GHSA-h9w2-4pvq-xvc7?

GHSA-h9w2-4pvq-xvc7 is a security advisory published by GitHub Security Advisories with High severity. IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated...

Which CVE IDs does GHSA-h9w2-4pvq-xvc7 cover?

GHSA-h9w2-4pvq-xvc7 covers the following CVE IDs: CVE-2026-16991. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h9w2-4pvq-xvc7?

GHSA-h9w2-4pvq-xvc7 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-h9w2-4pvq-xvc7HighCVSS 7.8

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated...

Vendor

GitHub Security Advisories

Published

August 21, 2026

Last Modified

August 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-16991 →

📋 Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to improper handling of symbolic links.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16991
https://www.ibm.com/support/pages/node/7283858
https://github.com/advisories/GHSA-h9w2-4pvq-xvc7