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Early warnings
SZB-b3bbb6c22b

pybars3 discloses CVE-2026-119716, a code injection flaw in template path handling

Status
Unverified: only social posts report this so far
Kind
Vulnerability
Vendor
pybars3
Product
pybars3
First seen

Summary

The Hacker Wire's advisory, as relayed on Mastodon, describes a code injection vulnerability in pybars3 through 0.9.7 that is scored High (8.1). The item says template authors could execute Python code via unescaped bracketed path segments.

If you use pybars3

Upgrade pybars3 to a version newer than 0.9.7 once a fix is available

Review Handlebars templates for untrusted or user-supplied content

Check the project's repository or advisory for the patched release

What the sources say 1

· Mastodon: “pybars3 through 0.9.7 contains a code injection vulnerability in pybars/_ https:// compiler.py that allows template authors to execute Python code via unescaped bracketed path segments.” Source