CVE-2026-9353
Last modified
CVE-2026-9353 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-9353?
How severe is CVE-2026-9353?
How do I fix CVE-2026-9353?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-9347A vulnerability has been found in Edimax EW-7438RPn up to 1.…6.3
- CVE-2026-9348A vulnerability was found in Edimax EW-7438RPn up to 1.31. A…8.8
- CVE-2026-9349A vulnerability was determined in calcom cal.diy up to 4.9.4…5.5
- CVE-2026-9350A vulnerability was identified in NousResearch hermes-agent …7.3
- CVE-2026-9351A security flaw has been discovered in NousResearch hermes-a…6.5
- CVE-2026-9352A weakness has been identified in NousResearch hermes-agent …5.5
- CVE-2026-9354A vulnerability was detected in NousResearch hermes-agent up…6.5
- CVE-2026-9355A flaw has been found in SourceCodester Hospitals Patient Re…7.3
- CVE-2026-9356A vulnerability has been found in SourceCodester Hospitals P…7.3
- CVE-2026-9357A vulnerability was found in vBulletin 6.x. This impacts an …3.5
- CVE-2026-9358A vulnerability was determined in postcss-selector-parser up…4.3
- CVE-2026-9359A vulnerability was identified in Edimax EW-7438RPn 1.28a. A…6.3
Are you affected by CVE-2026-9353?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST