What’s Vulnerable › Vulnerabilities

CVE-2023-39631

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-01 · updated 2026-06-17
• Weakness: CWE-94

Description

An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function in the numexpr library.

Affected products

• langchain-ai/langchain: 0.0.245

References

• https://github.com/langchain-ai/langchain/issues/8363
• https://github.com/pydata/numexpr/issues/442
• https://github.com/langchain-ai/langchain/issues/8363
• https://github.com/pydata/numexpr/issues/442

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