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Critical · 9.8 CVE-2025-9556 EUVD-2025-29045GHSA-v6f2-g4gw-r4rc

CVE-2025-9556

Published Sep 12, 2025 · Updated Nov 3, 2025 · Assigned by certcc

Description

Langchaingo supports the use of jinja2 syntax when parsing prompts, which is in turn parsed using the gonja library v1.5.3.
Gonja supports include and extends syntax to read files, which leads to a server side template injection vulnerability within langchaingo, allowing an attacker to insert a statement into a prompt to read the "etc/passwd" file.

Affected products

VendorProductAffectedFixed
Langchaingo Langchaingo 0.1.14 —

References