High 8.8Published Oct 20, 2026

CVE-2026-77930EvoScientist 0.1.0 before 0.2.5 Human Approval Bypass via Async Sub-Agents

Updated under an hour ago (2026-10-21 05:40 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

EvoScientist 0.1.0 before 0.2.5 contains an approval bypass vulnerability that allows attackers to run host shell commands by delegating them to async sub-agents lacking an interrupt_on gate. Attackers can plant instructions in ingested content such as fetched web pages, so the agent calls start_async_task and runs commands with user privileges and environment secrets.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 20, 2026
First seen by InfoSec Signals: Oct 20, 2026

Affected products

Affected products

EvoScientist EvoScientist evoscientist:evoscientist (from the name)	from 0.1.0 before 0.2.5	CNA record

References

https://www.lasso.security/vulnerability-database/cve-2026-77930technical-description, exploit
https://github.com/EvoScientist/EvoScientist/issues/387issue-tracking
https://github.com/EvoScientist/EvoScientist/commit/d249e320bd856a7d31d859cfbb2bf75bab6c8686patch
https://github.com/EvoScientist/EvoScientist/releases/tag/v0.2.5release-notes
https://github.com/EvoScientist/EvoScientist/blob/ac58caab7bdd1706f3fee55891f611cd175d05b0/EvoScientist/subagents/_factory.py#L116technical-description
https://www.vulncheck.com/advisories/evoscientist-0.1.0-before-0.2.5-human-approval-bypass-via-async-sub-agentsthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.