High 7.3Published May 31, 2026

CVE-2026-10221NousResearch hermes-agent run_agent.py _compress_context injection

Updated under an hour ago (Oct 27, 2026, 4:00 AM ET)

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Every CVE for NousResearch hermes-agent

Exploited in the last 30 days

A vulnerability was identified in NousResearch hermes-agent up to 0.12.0. Affected by this vulnerability is the function _compress_context of the file run_agent.py. The manipulation leads to injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-74, CWE-707
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: Jun 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

NousResearch hermes-agent nousresearch:hermes-agent	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; and 4 more ranges	CNA record

References

References

https://vuldb.com/vuln/367500	vdb-entry, technical-description
https://vuldb.com/vuln/367500/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-10221	third-party-advisory
https://vuldb.com/submit/822019	third-party-advisory
https://gist.github.com/YLChen-007/d343fcfe2c009cd45f56dc475fd5ac03	exploit

The CVE record on cve.org NVD's entry

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.