How many CVEs have patched _RestrictedSandboxedEnvironment?

1 published CVEs changed _RestrictedSandboxedEnvironment in langchain-ai/langchain, in 2 distinct patches totalling 59 changed lines, between 2025 and 2025.

What is the latest CVE that changed _RestrictedSandboxedEnvironment?

CVE-2025-65106 (LangChain Vulnerable to Template Injection via Attribute Access in Prompt Templates), published 2025-11-21, changed lines 20 to 79 of libs/core/langchain_core/prompts/string.py.

How does _RestrictedSandboxedEnvironment compare to the rest of langchain-ai/langchain?

langchain-ai/langchain has 30 CVEs with a located fix in total; 1 of them changed _RestrictedSandboxedEnvironment.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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_RestrictedSandboxedEnvironment

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Patched Functions
Langchain Ai
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_RestrictedSandboxedEnvironment

_RestrictedSandboxedEnvironment in langchain-ai/langchain: Patched by 1 CVEs

langchain-ai/langchain

Class

_RestrictedSandboxedEnvironment

Name: _RestrictedSandboxedEnvironment in langchain-ai/langchain: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

libs/core/langchain_core/prompts/string.py

Last patched November 21, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

_RestrictedSandboxedEnvironment in langchain-ai/langchain was changed by 1 published CVE fixes in 2025, in 2 distinct patches that added or removed 59 lines in total.

langchain-ai/langchain has 30 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed _RestrictedSandboxedEnvironment, newest first, with the lines each fix touched.

LangChain Vulnerable to Template Injection via Attribute Access in Prompt Templates
CVE-2025-65106 · lines 20–79 · +58 −1
High · CVSS 8.3
EPSS 0.5%2025-11-21

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1get_template_variableslibs/core/langchain_core/prompts/string.py2 CVEs · 6 patches2025 to 2026
2check_valid_templatelibs/core/langchain_core/prompts/string.py1 CVEs · 4 patches2026
3_parse_f_string_fieldslibs/core/langchain_core/prompts/string.py1 CVEs · 4 patches2026
4_get_jinja2_variables_from_templatelibs/core/langchain_core/prompts/string.py1 CVEs · 2 patches2025
5jinja2_formatterlibs/core/langchain_core/prompts/string.py1 CVEs · 2 patches2025

Other hotspots in the repository

Functions in langchain-ai/langchain changed by the most CVE fixes.

validate_code3 CVEs · langchain/chains/pal/base.py from_colored_object_prompt3 CVEs · langchain/chains/pal/base.py run3 CVEs · langchain/utilities/python.py warn_once3 CVEs · langchain/utilities/python.py get_template_variables2 CVEs · libs/core/langchain_core/prompts/string.py __init__2 CVEs · libs/community/langchain_community/retrievers/web_research.py

All patched functions in langchain-ai/langchain

Frequently asked questions

Common questions about CVE fixes to _RestrictedSandboxedEnvironment.

How many CVEs have patched _RestrictedSandboxedEnvironment?: 1 published CVEs changed _RestrictedSandboxedEnvironment in langchain-ai/langchain, in 2 distinct patches totalling 59 changed lines, between 2025 and 2025.
What is the latest CVE that changed _RestrictedSandboxedEnvironment?: CVE-2025-65106 (LangChain Vulnerable to Template Injection via Attribute Access in Prompt Templates), published 2025-11-21, changed lines 20 to 79 of libs/core/langchain_core/prompts/string.py.
How does _RestrictedSandboxedEnvironment compare to the rest of langchain-ai/langchain?: langchain-ai/langchain has 30 CVEs with a located fix in total; 1 of them changed _RestrictedSandboxedEnvironment.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

libs/core/langchain_core/prompts/string.py on GitHub (opens in a new tab)
All patched functions in langchain-ai/langchain
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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