Altair PBS Professional through 19.1.2 allows Privilege Escalation because an attacker can send a message directly to pbs_mom, which fails to properly authenticate the message. This results in code execution as an arbitrary user.
Severity
CVSS 3.1
8.0 high
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)