Cyber Resilience

CVE-2026-10221

Medium

Published: 01 June 2026

Published
01 June 2026
Modified
03 June 2026
KEV Added
Patch
CVSS Score v4 5.5 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 Score 0.0030 21.9th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-10221 is a medium-severity Injection (CWE-74) vulnerability. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 21.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

CVEs Like This One

CVE-2026-2954Shared CWE-707, CWE-74
CVE-2026-9422Shared CWE-707, CWE-74
CVE-2026-10220Shared CWE-707, CWE-74
CVE-2026-3813Shared CWE-707, CWE-74
CVE-2026-42334Shared CWE-74
CVE-2025-64428Shared CWE-74
CVE-2022-31631Shared CWE-74
CVE-2026-33202Shared CWE-74
CVE-2024-21797Shared CWE-74
CVE-2025-67486Shared CWE-74

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

addresses: CWE-707

Enforces use of documented standards and tool configurations that address proper neutralization of inputs/outputs during development.

addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References