{"id":"CVE-2026-77930","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-77930","generatedAt":"2026-10-28T03:58:37.244Z","title":"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.","description":"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.","published":"2026-10-20T01:17:19.000Z","lastModified":"2026-10-22T22:18:46.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-862"],"affected":[],"epss":{"score":0.00688,"percentile":0.52527,"date":"2026-10-27","history":[{"date":"2026-10-20","score":0.00444,"percentile":0.37313}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-23T00:16:03.000Z","detail":{"from":"8.7","score":"9.3","severity":"CRITICAL","fromSeverity":"HIGH"},"summary":"Now scored CVSS 9.3 CRITICAL (was 8.7)."},{"kind":"new","label":"New CVE","at":"2026-10-20T01:17:19.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-20T01:17:19.360Z"},"summary":"New CVE, critical severity (CVSS 9.3)."}],"references":[{"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","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-77930","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}