Is CVE-2026-9353 actively exploited?

No active exploitation of CVE-2026-9353 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-9353 be exploited remotely?

Yes. CVE-2026-9353 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-9353?

CVE-2026-9353 has a CVSS score of 7.3 (HIGH).

HOME VULNERABILITIESCVE-2026-9353

HIGH

CVE-2026-9353

CWE-74Published: May 24, 2026· Updated: May 26, 2026

7.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.5th

Official Description

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. Impacted is an unknown function of the file agent/skills_guard.py of the component Skills Guard Multi-Word Prompt Handler. The manipulation of the argument THREAT_PATTERNS leads to injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-9353 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.