๐Ÿ›ก๏ธ CVE-2025-65106
๐ŸŸ  CVSS 8.0 โ€” High โœ… No Known Exploit CWE-1336 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

LangChain is a framework for building agents and LLM-powered applications. From versions 0.3.79 and prior and 1.0.0 to 1.0.6, a template injection vulnerability exists in LangChain's prompt template system that allows attackers to access Python object internals through template syntax. This vulnerability affects applications that accept untrusted template strings (not just template variables) in ChatPromptTemplate and related prompt template classes. This issue has been patched in versions 0.3.80 and 1.0.7.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
CWE CWE-1336
Public Exploit โœ… No
Source NVD
Published 2025-11-20
Updated 2026-06-15
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
langchain-core โ€” 0.3.80
unknown โ€” โ€”

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