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2 vulnerabilities found for pybars4 by up9inc
CVE-2026-119717 (GCVE-0-2026-119717)
Vulnerability from nvd – Published: 2026-10-30 15:16 – Updated: 2026-10-30 18:36 Unsupported When Assigned
VLAI
EPSS
VEX
Title
pybars4 through 0.9.13 Code Injection via Bracketed Path Segments
Summary
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.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 18:25 UTC
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/vladko312/advisories/blob/702e… | third-party-advisory |
| https://github.com/up9inc/pybars4/blob/0.9.13/pyb… | technical-description |
| https://github.com/up9inc/pybars4 | product |
| https://www.vulncheck.com/advisories/pybars4-thro… | third-party-advisory |
Date Public
2026-08-10 00:00
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CVE-2026-119717 (GCVE-0-2026-119717)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:16 – Updated: 2026-10-30 18:36 Unsupported When Assigned
VLAI
EPSS
VEX
Title
pybars4 through 0.9.13 Code Injection via Bracketed Path Segments
Summary
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.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 18:25 UTC
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/vladko312/advisories/blob/702e… | third-party-advisory |
| https://github.com/up9inc/pybars4/blob/0.9.13/pyb… | technical-description |
| https://github.com/up9inc/pybars4 | product |
| https://www.vulncheck.com/advisories/pybars4-thro… | third-party-advisory |
Date Public
2026-08-10 00:00
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