PT-2023-22231 · Langchain · Langchain

Zachschillaci27 · Published 2023-04-05 · Updated 2026-04-30 · CVE-2023-29374

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LangChain versions 0.0.0 through 0.0.131

Description The issue allows prompt injection attacks that can execute arbitrary code via the Python exec() method. This is specifically related to the LLMMathChain chain in LangChain.

Recommendations For versions 0.0.0 through 0.0.131, consider disabling the LLMMathChain chain as a temporary workaround until a patch is available. Restrict access to the exec() method to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Special Elements Injection

Code Injection

Weakness Enumeration

CWE-74

CWE-94

Related Identifiers

CVE-2023-29374

GHSA-FPRP-P869-W6Q2

PYSEC-2023-18

Affected Products

Langchain

References · 14

• 🔥 https://github.com/hwchase17/langchain/issues/814 · Exploit
• 🔥 https://twitter.com/rharang/status/1641899743608463365/photo/1 · Exploit
• https://github.com/hwchase17/langchain/pull/1119 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-29374 · Security Note
• https://osv.dev/vulnerability/CVE-2023-29374 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-fprp-p869-w6q2 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2023-18 · Vendor Advisory
• https://github.com/langchain-ai/langchain · Note
• https://github.com/hwchase17/langchain/issues/1026 · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2023-18.yaml · Note
• https://twitter.com/ankitaiitr/status/1704751549971603543 · Twitter Post
• https://twitter.com/lyrie_ai/status/2049723410461196797 · Twitter Post
• https://twitter.com/lyrie_ai/status/2049723409609773373 · Twitter Post
• https://t.me/cvenotify/47567 · Telegram Post