CVE-2026-90773
Tenable Plugin
Checking the public Tenable catalog…
AI Threat Summary
CVE-2026-90773 is a moderate vulnerability with a CVSS score of 3.2 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
procs through 0.14.12 fails to sanitize escape sequences in process command lines before displaying them in the Command column. Local attackers can execute processes with malicious ANSI or OSC escape sequences in their command line arguments, which are written unmodified to other users' terminals for interpretation by terminal emulators.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-90773 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-90773 |
| CVSS Score | 3.2 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N |
| Published | 2026-09-13 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |