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Medium 4.3Published Jul 4, 2026

CVE-2026-14626NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service

Updated under an hour ago ()

Does this affect you?

It affects NousResearch hermes-agent. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. The impacted element is the function AIAgent.run_conversation of the file run_agent.py of the component HTTP API. This manipulation of the argument todos causes denial of service. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS
4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Weakness (CWE)
CWE-404
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Jul 6, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
NousResearch hermes-agent
nousresearch:hermes-agent
2026.4.0; 2026.4.1; 2026.4.2; 2026.4.3; 2026.4.4; 2026.4.5; 2026.4.6; 2026.4.7; and 23 more ranges
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2026-14626: NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service | InfoSec Signals