How severe is CVE-2026-14626?

CVE-2026-14626 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-14626 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-14626?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-14626 published?

CVE-2026-14626 was published on 2026-07-04 and last updated on 2026-07-07.

CVE-2026-14626

CVE-2026-14626 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Published: 2026-07-04
Last modified: 2026-07-07

Description

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2026-14626?: CVE-2026-14626 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-14626 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-14626?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-14626 published?: CVE-2026-14626 was published on 2026-07-04 and last updated on 2026-07-07.

References

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