What is GHSA-4cv2-jwvj-h9m8?

GHSA-4cv2-jwvj-h9m8 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 overwrite critical...

Which CVE IDs does GHSA-4cv2-jwvj-h9m8 cover?

GHSA-4cv2-jwvj-h9m8 covers the following CVE IDs: CVE-2026-16838. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4cv2-jwvj-h9m8?

GHSA-4cv2-jwvj-h9m8 has a CVSS v3 base score of 7.0, published by GitHub Security Advisories.

GHSA-4cv2-jwvj-h9m8HighCVSS 7.0

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

Vendor

GitHub Security Advisories

Published

August 19, 2026

Last Modified

August 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-16838 →

📋 Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to overwrite critical files and obtain sensitive information due to a time-of-check to time-of-use (TOCTOU) race condition.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16838
https://www.ibm.com/support/pages/node/7283858
https://github.com/advisories/GHSA-4cv2-jwvj-h9m8