GCD AI RADAR
incidents/AIR-2025-0444

Indirect Prompt Injection in LangChain GmailToolkit

Attack on AI2 Disclosed vulnerabilityPrompt injectionInfrastructure vulnerability

An indirect prompt injection vulnerability was reported in the LangChain GmailToolkit component, though the vendor disputed it as user implementation error. The issue involves crafted emails leading to application compromise.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Prompt injectionprimary
    Untrusted content (web pages, documents, emails, tool output) steers a model into ignoring its instructions.
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Framework / tooling
products
langchain
incident date
29 Jul 2025
first reported
29 Jul 2025
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
CVE-2025-46059 · prompt-injection · langchain
record
created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z · json

Sources · 1

  1. 2025-07-29
    CVE-2025-46059: langchain-ai v0.3.51 was discovered to contain an indirect prompt injection vulnerability in the GmailToolkit component.
    NVD · nvd.nist.gov/vuln/detail/CVE-2025-46059

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