{"id":"CVE-2026-119717","aliases":[],"cve":{"records":[{"id":"CVE-2026-119717","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":true,"reserved":"2026-10-30T14:49:27.542Z","published":"2026-10-30T15:16:14.963Z","modified":"2026-10-30T18:36:20.432Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T15:16:14.963Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T18:36:20.432Z"}],"references":[{"url":"https://github.com/vladko312/advisories/blob/702e98db9642ece70d9e2150076d8014ffec2db3/pybars3.md","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/up9inc/pybars4/blob/0.9.13/pybars/_compiler.py#L153-L154","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/up9inc/pybars4","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/pybars4-through-0.9.13-code-injection-via-bracketed-path-segments","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-94","description":"Improper Control of Generation of Code ('Code Injection')","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T18:25:52.310819Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"pybars4 through 0.9.13 Code Injection via Bracketed Path Segments","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"pybars4 through 0.9.13 contains a code injection vulnerability in pybars/_compiler.py that allows attackers to execute Python code via unescaped bracketed path segments in Handlebars templates. Attackers can supply a template with a crafted segment in a helper or block argument to break out of the generated resolve() string literal and execute code in the application process.","score":9.2,"severity":"critical","published":"2026-10-30T15:16:14.963Z","modified":"2026-10-30T18:36:20.432Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"up9inc","name":"pybars4","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.9.13","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:pypi/pybars4","packageIdentity":{"ecosystem":"PyPI","name":"pybars4"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119717"}],"remediation":[],"references":["https://github.com/vladko312/advisories/blob/702e98db9642ece70d9e2150076d8014ffec2db3/pybars3.md","https://github.com/up9inc/pybars4/blob/0.9.13/pybars/_compiler.py#L153-L154","https://github.com/up9inc/pybars4","https://www.vulncheck.com/advisories/pybars4-through-0.9.13-code-injection-via-bracketed-path-segments"],"sources":[{"name":"CVE","id":"CVE-2026-119717","modified":"2026-10-30T18:36:20.432Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119717"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1}],"sourceAffected":[],"observedAt":"2026-10-30T18:59:12.506Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T07:50:32.196Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}