CVE-2026-77930: EvoScientist EvoScientist

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

CVSS 9.3 CriticalCriticalEPSS 0.0069 · 53rd percentile

Critical, because:

CVSS score 9.3: 9.0 or more.

Published by the CVE Program (CNA: VulnCheck) at 20 Oct 2026, 00:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
EvoScientist	EvoScientist https://pypi.org pkg:pypi/evoscientist	affected 0.1.0 to before 0.2.5 semver Other versions: unaffected

Identifiers

CVE-2026-77930

CNA

VulnCheck

Weakness (CWE)

CWE-862

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.3	Critical	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0069, the 53rd percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/EvoScientist/EvoScientist/issues/387 issue-tracking
github.com/EvoScientist/EvoScientist/commit/d249e320bd856a7d31d859cfbb2bf75bab6c8686 patch
github.com/EvoScientist/EvoScientist/releases/tag/v0.2.5 release-notes
github.com/EvoScientist/EvoScientist/blob/ac58caab7bdd1706f3fee55891f611cd175d05b0/EvoScientist/subagents/_factory.py#L116 technical-description
www.vulncheck.com/advisories/evoscientist-0.1.0-before-0.2.5-human-approval-bypass-via-async-sub-agents third-party-advisory
www.lasso.security/vulnerability-database/cve-2026-77930 technical-descriptionexploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.