What is GHSA-4p7f-6rpf-28mq?

GHSA-4p7f-6rpf-28mq is a security advisory published by GitHub Security Advisories with Critical severity. Improper Link Resolution (CWE-59) in `/usr/bin/larm_starter` in Loytec L-INX, L-GATE, L-ROC, L...

Which CVE IDs does GHSA-4p7f-6rpf-28mq cover?

GHSA-4p7f-6rpf-28mq covers the following CVE IDs: CVE-2026-12503. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-4p7f-6rpf-28mqCritical

Improper Link Resolution (CWE-59) in `/usr/bin/larm_starter` in Loytec L-INX, L-GATE, L-ROC, L...

Vendor

GitHub Security Advisories

Published

July 24, 2026

Last Modified

July 24, 2026

🔗 CVE IDs covered (1)

CVE-2026-12503 →

📋 Description

Improper Link Resolution (CWE-59) in /usr/bin/larm_starter in Loytec L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an authenticated larmapp attacker to make /etc/passwd writable by the larmapp group (leading to root privilege escalation) via a symlink attack on /etc/lighttpd/ssl/server.pem.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-12503
https://www.loytec.com/support/product-security/advisories/8520-dibt-cve-20260526-0002-symlink-following-in-chown-chmod-critical
https://github.com/advisories/GHSA-4p7f-6rpf-28mq