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archive/Patch now/AIR-2023-0087
closedclosed 20 Oct 2023Patch now2 Disclosed vulnerabilityAI

CVE-2023-32786: Prompt injection and SSRF vulnerability in Langchain

LangChain

Langchain contained a prompt injection flaw that allowed attackers to force services to fetch arbitrary URLs. The issue enables server-side request forgery and potential downstream task content injection.

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

CVSS
7.5
EPSS
0.01 · top 46% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
20 Oct 2023
last update
20 Oct 2023
CVE ids
CVE-2023-32786other records

Timeline · 1

  1. 20 Oct 2023CVE-2023-32786: In Langchain through 0.0.155, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL,…

Sources · 1

Advisories and databases

  1. 2023-10-20
    CVE-2023-32786: In Langchain through 0.0.155, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL,…
    NVD · nvd.nist.gov/vuln/detail/CVE-2023-32786

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Prompt injectionInfrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM01:2025 Prompt InjectionLLM03:2025 Supply Chain
mitre atlas
AML.T0051 LLM Prompt Injection
tags
ssrf
dates
happened 20 Oct 2023 · first reported 20 Oct 2023
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.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2023-32786: Prompt injection and SSRF vulnerability in Langchain

https://gcdradar.vercel.app/incidents/cve-2023-32786-prompt-injection-and-ssrf-vulnerability-in-la · AIR-2023-0087 · closed 2023-10-20

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2023-10-20
- AI role: Attack on AI
- Products: LangChain
- CVE ids: CVE-2023-32786
- CVSS: 7.5

## Summary

Langchain contained a prompt injection flaw that allowed attackers to force services to fetch arbitrary URLs. The issue enables server-side request forgery and potential downstream task content injection.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2023-10-20: CVE-2023-32786: In Langchain through 0.0.155, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL,… (https://nvd.nist.gov/vuln/detail/CVE-2023-32786)

## Sources

- 2023-10-20 NVD: CVE-2023-32786: In Langchain through 0.0.155, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL,… https://nvd.nist.gov/vuln/detail/CVE-2023-32786

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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