{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77930", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-21T17:52:36.079Z", "datePublished": "2026-10-20T00:46:10.763Z", "dateUpdated": "2026-10-20T00:46:10.763Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-20T00:46:10.763Z"}, "datePublic": "2026-10-15T00:00:00.000Z", "title": "EvoScientist 0.1.0 before 0.2.5 Human Approval Bypass via Async Sub-Agents", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "affected": [{"vendor": "EvoScientist", "product": "EvoScientist", "defaultStatus": "unaffected", "versions": [{"version": "0.1.0", "lessThan": "0.2.5", "status": "affected", "versionType": "semver"}], "packageURL": "pkg:pypi/evoscientist", "collectionURL": "https://pypi.org", "repo": "https://github.com/EvoScientist/EvoScientist"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "references": [{"url": "https://www.lasso.security/vulnerability-database/cve-2026-77930", "tags": ["technical-description", "exploit"], "name": "Lasso.security Advisory"}, {"url": "https://github.com/EvoScientist/EvoScientist/issues/387", "tags": ["issue-tracking"]}, {"url": "https://github.com/EvoScientist/EvoScientist/commit/d249e320bd856a7d31d859cfbb2bf75bab6c8686", "tags": ["patch"]}, {"url": "https://github.com/EvoScientist/EvoScientist/releases/tag/v0.2.5", "tags": ["release-notes"], "name": "EvoScientist v0.2.5 Release Notes"}, {"url": "https://github.com/EvoScientist/EvoScientist/blob/ac58caab7bdd1706f3fee55891f611cd175d05b0/EvoScientist/subagents/_factory.py#L116", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: EvoScientist 0.1.0 before 0.2.5 Human Approval Bypass via Async Sub-Agents", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/evoscientist-0.1.0-before-0.2.5-human-approval-bypass-via-async-sub-agents"}], "credits": [{"lang": "en", "value": "Noy Pearl", "type": "finder"}, {"lang": "en", "value": "Michael Sromin", "type": "finder"}, {"lang": "en", "value": "Ophir Dror", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://pypi.org", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/evoscientist", "product": "EvoScientist", "repo": "https://github.com/EvoScientist/EvoScientist", "vendor": "EvoScientist", "versions": [{"lessThan": "0.2.5", "status": "affected", "version": "0.1.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-77930", "lastModified": "2026-10-20T01:17:19.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-20T01:17:19.360", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/EvoScientist/EvoScientist/blob/ac58caab7bdd1706f3fee55891f611cd175d05b0/EvoScientist/subagents/_factory.py#L116"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/EvoScientist/EvoScientist/commit/d249e320bd856a7d31d859cfbb2bf75bab6c8686"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/EvoScientist/EvoScientist/issues/387"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/EvoScientist/EvoScientist/releases/tag/v0.2.5"}, {"source": "disclosure@vulncheck.com", "url": "https://www.lasso.security/vulnerability-database/cve-2026-77930"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/evoscientist-0.1.0-before-0.2.5-human-approval-bypass-via-async-sub-agents"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

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