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CVE-2026-119716— pybars3 through 0.9.7 Code Injection via Bracketed Path Segments

Quick assessment

Affected
wbond pybars3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pybars3 0.9.7 及更早版本在 中存在代码注入漏洞。该漏洞允许模板作者通过未转义的括号路径片段执行 Python 代码。攻击者可构造包含恶意片段的 Handlebars 模板（置于辅助函数或区块参数中），从而突破字符串字面量的限制，在应用程序进程中执行任意 Python 代码。

CVSS 8.1 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
wbond pybars3 ≤ 0.9.7 affected
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I. Basic Information for CVE-2026-119716

Vulnerability Information
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Vulnerability Title
pybars3 through 0.9.7 Code Injection via Bracketed Path Segments
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
wbond pybars3 0 ~ 0.9.7 -

II. Public POCs for CVE-2026-119716

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-119716

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Vendor Advisories for CVE-2026-119716 (2)

Vendor Pages for CVE-2026-119716 (1)

Other References for CVE-2026-119716 (2)

IV. Related Vulnerabilities

Same vendor: wbond
Same weakness: CWE-94