CVE-2026-14626: 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
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-14626
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-146260.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-14626 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for NousResearch hermes-agent
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- lowCVE-2026-15311: A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by thi…nvd · 2026-07-10
- mediumCVE-2026-14783: A vulnerability was determined in NousResearch hermes-agent 2026.5.29.2. The impacted element …nvd · 2026-07-06
- mediumCVE-2026-14628: A vulnerability was detected in NousResearch hermes-agent up to 2026.5.16. This impacts the fu…nvd · 2026-07-04
- mediumCVE-2026-14627: A security vulnerability has been detected in NousResearch hermes-agent up to 0.15.2. This aff…nvd · 2026-07-04
- mediumCVE-2026-14625: A security flaw has been discovered in NousResearch hermes-agent up to 0.15.2. The affected el…nvd · 2026-07-04
- lowCVE-2026-14617: A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affec…nvd · 2026-07-03
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