Affected packages
- hermes-agent— all versions
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.30%
- EPSS percentile
- 22.8%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 23%.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-10221
- https://github.com/NousResearch/hermes-agent/issues/26979
- https://github.com/NousResearch/hermes-agent/pull/69860
- https://github.com/NousResearch/hermes-agent/commit/2ca38e5df43411afe11aedfc34bfd71a2eecd4bb
- https://gist.github.com/YLChen-007/d343fcfe2c009cd45f56dc475fd5ac03
- https://github.com/NousResearch/hermes-agent
- https://vuldb.com/cve/CVE-2026-10221
- https://vuldb.com/submit/822019
- https://vuldb.com/vuln/367500
- https://vuldb.com/vuln/367500/cti
- https://pypi.org/project/hermes-agent
- https://github.com/advisories/GHSA-xq8w-9jvx-gm3v
Structured record: https://osv.dev/vulnerability/PYSEC-2026-3577
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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