What is GHSA-54r8-946x-g5g5?

GHSA-54r8-946x-g5g5 is a security advisory published by GitHub Security Advisories with High severity. Herowatch Mini developed by About Time Technologies has a system signing vulnerability....

Which CVE IDs does GHSA-54r8-946x-g5g5 cover?

GHSA-54r8-946x-g5g5 covers the following CVE IDs: CVE-2026-121818. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-54r8-946x-g5g5?

GHSA-54r8-946x-g5g5 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-54r8-946x-g5g5HighCVSS 7.8

Herowatch Mini developed by About Time Technologies has a system signing vulnerability....

Vendor

GitHub Security Advisories

Published

November 4, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121818 →

📋 Description

Herowatch Mini developed by About Time Technologies has a system signing vulnerability. Authenticated local attackers can exploit a publicly available test key to sign malicious programs, allowing them to elevate privileges and execute arbitrary code.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121818
https://www.twcert.org.tw/en/cp-139-11362-1e829-2.html
https://www.twcert.org.tw/tw/cp-132-11360-ab123-1.html
https://github.com/advisories/GHSA-54r8-946x-g5g5