CVE-2026-119716 — Vulnerability intelligence

wbond, up9inc — pybars3, pybars4

Published: 2026-10-30T15:16:14.237Z

CVSS

9.3

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

pybars3 through 0.9.7 and pybars4 through 0.9.13 contain 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.

Sources

• CVE-2026-119716
• Original advisory
• Original advisory
• Original advisory
• Original advisory
• Original advisory
• Original advisory
• Original advisory
• CVE-2026-119716