GHSA-x54v-7mw2-5rrxCriticalCVSS 8.1
pybars4 through 0.9.13 contains a code injection vulnerability in pybars/_compiler.py that allows...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-119717
- https://github.com/up9inc/pybars4
- https://github.com/up9inc/pybars4/blob/0.9.13/pybars/_compiler.py#L153-L154
- https://github.com/vladko312/advisories/blob/702e98db9642ece70d9e2150076d8014ffec2db3/pybars3.md
- https://www.vulncheck.com/advisories/pybars4-through-0.9.13-code-injection-via-bracketed-path-segments
- https://github.com/advisories/GHSA-x54v-7mw2-5rrx