CVE-2026-9368
NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox
- 6.9MediumCVSS base score
- 0.38%Exploitation in 30 daysEPSS · top 68% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch 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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 2 days later
· 2 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | High7.3 | 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 |
| VulDBCNA (assigner) | 3.0 | High7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Medium5.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.38% · top 68% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
- affected 2026.4.0
- affected 2026.4.1
- affected 2026.4.2
- affected 2026.4.3
- affected 2026.4.4
- affected 2026.4.5
- affected 2026.4.6
- affected 2026.4.7
- affected 2026.4.8
- affected 2026.4.9
- affected 2026.4.10
- affected 2026.4.11
- affected 2026.4.12
- affected 2026.4.13
- affected 2026.4.14
- affected 2026.4.15
- affected 2026.4.16
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIhermes-agentGHSA-wm96-9gfh-vvgq (opens in a new tab)
References
References4
- VDB-365331 | NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox (opens in a new tab)vdb-entrytechnical-description
- VDB-365331 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #812229 | NousResearch hermes-agent 2026.4.16 Improper Privilege Management (CWE-269) (opens in a new tab)third-party-advisory
- https://gist.github.com/YLChen-007/43c72d19668421abe8ce10f299323a0a (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-31582 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-wm96-9gfh-vvgq (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-9368)Record last updated .