Vulnerability Description
pybars3 through 0.9.7 contains a code injection vulnerability in pybars/_compiler.py that allows template authors to execute Python code via unescaped bracketed path segments. Attackers can supply Handlebars templates with crafted segments in helper or block arguments to break out of string literals and execute Python in the application process.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/vladko312/advisories/blob/702e98db9642ece70d9e2150076d8014ffe
- https://github.com/wbond/pybars3
- https://github.com/wbond/pybars3/blob/0.9.7/pybars/_compiler.py#L159-L160
- https://github.com/wbond/pybars3/issues/88
- https://www.vulncheck.com/advisories/pybars3-through-0.9.7-code-injection-via-br
FAQ
What is CVE-2026-119716?
CVE-2026-119716 is a vulnerability with a CVSS score of 8.1 (HIGH). pybars3 through 0.9.7 contains a code injection vulnerability in pybars/_compiler.py that allows template authors to execute Python code via unescaped bracketed path segments. Attackers can supply Han...
How severe is CVE-2026-119716?
CVE-2026-119716 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119716?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.