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`.
Is your site exposed to CVE-2026-12503?
Run a free security scan — no signup, results in seconds.
EPSS — Exploit Prediction
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
Weakness Type (CWE)
References
Frequently Asked Questions
What is CVE-2026-12503? +
How do I check if I'm vulnerable to CVE-2026-12503? +
Related Vulnerabilities
Metabase is a business intelligence and embedded analytics tool. Versions prior to v0.52.16.4, v1.52.16.4, v0.53.8, and v1.53.8 are vulnerable to …
Improper Link Resolution Before File Access ('Link Following') vulnerability in QFileSystemEngine in the Qt corelib module on Windows which potentially …
Improper Link Resolution Before File Access ('Link Following') vulnerability in HYPR Passwordless on Windows allows Privilege Escalation.This issue affects HYPR …
Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.
Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). Versions of Filesystem prior …
An issue in Cato Networks' CatoClient for Linux, before version 5.5, allows a local attacker to escalate privileges to root …