CVE-2026-18993NousResearch hermes-agent Memory Toolset model_tools.py access control
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A vulnerability was detected in NousResearch hermes-agent up to 0.16.0. Affected by this issue is some unknown functionality of the file hermes-agent/model_tools.py of the component Memory Toolset. The manipulation results in improper access controls. The attack can be executed remotely. The exploit is now public and may be used.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-284, CWE-266
- 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
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
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 8 more ranges | CNA record |
References
- https://vuldb.com/vuln/386377vdb-entry
- https://vuldb.com/vuln/386377/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-18993third-party-advisory
- https://vuldb.com/submit/862610third-party-advisory
- https://github.com/NousResearch/hermes-agent/issues/46171issue-tracking
- https://github.com/NousResearch/hermes-agent/pull/46185issue-tracking, patch
- https://github.com/NousResearch/hermes-agent/issues/48181exploit, issue-tracking
- https://github.com/NousResearch/hermes-agent/product
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.