NousResearch hermes-agent terminal_tool approval.py detect_dangerous_command os command injection
Published May 24, 2026
6.9
MEDIUMCVSS 4.0
EPSS 3.18%
Description
A vulnerability was determined in NousResearch hermes-agent up to 5157f5427f19488b31c6fdebbacd15d798ce7f63. This affects the function detect_dangerous_command of the file tools/approval.py of the component terminal_tool. This manipulation causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
-
- Version StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NousResearch | Hermes-Agent | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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
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
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed May 26, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.18% (0.03181) | 87.63th | v5 (v2026.06.15) |
| Oct 1, 2026 | 3.18% (0.03181) | 87.61th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.66% (0.01657) | 75.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.75% (0.01753) | 74.92th | v5 (v2026.06.15) |
| May 30, 2026 | 2.14% (0.02140) | 84.50th | v4 (v2025.03.14) |
| May 24, 2026 | 1.02% (0.01021) | 77.49th | v4 (v2025.03.14) |
References (4)
- https://gist.github.com/YLChen-007/75fb10319693e86106ced2ef3a472c80 exploit
- https://vuldb.com/submit/812228 third-party-advisory
- https://vuldb.com/vuln/365330 vdb-entrytechnical-description
- https://vuldb.com/vuln/365330/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://gist.github.com/YLChen-007/75fb10319693e86106ced2ef3a472c80 | exploit | |
| https://vuldb.com/submit/812228 | third-party-advisory | |
| https://vuldb.com/vuln/365330 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365330/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.