CVE-2026-119716pybars3 through 0.9.7 and pybars4 through 0.9.13 Code Injection via Bracketed Path Segments

Açıklama

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.

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Kaynaklar ve yamalar

• GitHub Issue #88 issue-tracking
• https://github.com/wbond/pybars3 product
• https://github.com/up9inc/pybars4 product
• https://github.com/vladko312/advisories/blob/702e98db9642ece70d9e2150076d8014ffec2db3/pybars3.md third-party-advisory
• https://github.com/wbond/pybars3/blob/0.9.7/pybars/_compiler.py#L159-L160 technical-description
• https://github.com/up9inc/pybars4/blob/0.9.13/pybars/_compiler.py#L153-L154 technical-description
• VulnCheck Advisory: pybars3 through 0.9.7 Code Injection via Bracketed Path Segments third-party-advisory