{"id":"CVE-2026-77930","title":"EvoScientist 0.1.0 before 0.2.5 Human Approval Bypass via Async Sub-Agents","summary":"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 …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-862"],"vendor":"EvoScientist","product":"EvoScientist","affected":["EvoScientist >= 0.1.0 < 0.2.5"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-20T16:04:30.973347Z"},"exploitAvailable":true,"published":"2026-10-20","updated":"2026-10-22","sourceUpdated":"2026-10-22T21:09:21.545Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77930","references":[{"url":"https://www.lasso.security/vulnerability-database/cve-2026-77930","label":"Lasso.security Advisory"},{"url":"https://github.com/EvoScientist/EvoScientist/issues/387"},{"url":"https://github.com/EvoScientist/EvoScientist/commit/d249e320bd856a7d31d859cfbb2bf75bab6c8686"},{"url":"https://github.com/EvoScientist/EvoScientist/releases/tag/v0.2.5","label":"EvoScientist v0.2.5 Release Notes"},{"url":"https://github.com/EvoScientist/EvoScientist/blob/ac58caab7bdd1706f3fee55891f611cd175d05b0/EvoScientist/subagents/_factory.py#L116"},{"url":"https://www.vulncheck.com/advisories/evoscientist-0.1.0-before-0.2.5-human-approval-bypass-via-async-sub-agents","label":"VulnCheck Advisory: EvoScientist 0.1.0 before 0.2.5 Human Approval Bypass via Async Sub-Agents"}],"tags":["cve.org","exploit-available"],"epss":0.00688,"epssPercentile":0.52527,"ingestedAt":"2026-10-20T01:49:42.628Z","slug":"CVE-2026-77930","body":"## Overview\n\nEvoScientist 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.\n\n## Affected\n\n- `EvoScientist >= 0.1.0 < 0.2.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":227855,"id":"CVE-2026-77930","ts":1792706848577,"field":"cvss","old":"8.8","new":"9.8"},{"seq":227854,"id":"CVE-2026-77930","ts":1792706848577,"field":"severity","old":"high","new":"critical"},{"seq":226026,"id":"CVE-2026-77930","ts":1792516464178,"field":"exploit_available","old":"false","new":"true"}]}