Description
langchain-ai v0.3.51 was discovered to contain an indirect prompt injection vulnerability in the GmailToolkit component. This vulnerability allows attackers to execute arbitrary code and compromise the application via a crafted email message. NOTE: this is disputed by the Supplier because the code-execution issue was introduced by user-written code that does not adhere to the LangChain security practices.
References (4)
Core 4
Core References
Various Sources
https://github.com/Jr61-star/CVEs/blob/main/CVE-2025-46059.md
Various Sources
https://python.langchain.com/docs/security/
Issue Tracking
https://github.com/langchain-ai/langchain-community/issues/217#issuecomment-3144824471
Issue Tracking
https://github.com/langchain-ai/langchain/issues/30833
Scores
CVSS v3
9.8
EPSS
0.0067
EPSS Percentile
47.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-94
Status
published
Published
Jul 29, 2025
Tracked Since
Feb 18, 2026