SEPTEMBER 17, 2026
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Case File

CVE-2026-15311

LOW · CVSS 3.5 EPSS 0.20% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-10 · Last synced 2026-08-09

CyberRota Analysis

AI-Generated

A cross-site scripting vulnerability exists in the Matrix Adapter component of NousResearch's hermes-agent, affecting versions up to 2026.5.29.2. This flaw allows remote attackers to execute scripts in the context of a user's session, potentially compromising sensitive data. Organizations using this software should prioritize patching this vulnerability, as the exploit is publicly available and could be leveraged in attacks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-15311
Severity
LOW
CVSS
3.5
EPSS
0.20%

Original NVD Description

A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by this issue is the function MatrixAdapter._markdown_to_html of the file gateway/platforms/matrix.py of the component Matrix Adapter. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used. The pull request to fix this issue awaits acceptance.