cve.bz

CVE-2026-10221

5.5 mediumEPSS 0.3%

Medium (5.5). EPSS 0.3% chance of exploitation in the next 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.

Severity

CVSS 4.0

5.5 medium
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

CVSS 3.1

7.3 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
CWEs
CWE-74, CWE-707
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-xq8w-9jvx-gm3vPyPIhermes-agent<=0.19.0no fix published
PYSEC-2026-3577PyPIhermes-agent<=0.19.0no fix published

References

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