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archive/Patch now/AIR-2025-0394
closedclosed 6 Jan 2025Patch now2 Disclosed vulnerabilityAI

CVE-2025-21604: File upload conflict vulnerability in LangChain4j-AIDeepin

LangChain4j-AIDeepin

LangChain4j-AIDeepin uses MD5 for file hashing which can cause file upload conflicts prior to version 3.5.0. The vulnerability has been resolved in the updated release.

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
6.9
EPSS
<0.01 · top 81% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
6 Jan 2025
last update
6 Jan 2025
CVE ids
CVE-2025-21604other records

Timeline · 1

  1. 6 Jan 2025CVE-2025-21604: LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project.

Sources · 1

Advisories and databases

  1. 2025-01-06
    CVE-2025-21604: LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project.
    NVD · nvd.nist.gov/vuln/detail/CVE-2025-21604

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
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
raginsecure-hashing
dates
happened 6 Jan 2025 · first reported 6 Jan 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.
record
confidence 0.90 · 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-2025-21604: File upload conflict vulnerability in LangChain4j-AIDeepin

https://gcdradar.vercel.app/incidents/cve-2025-21604-file-upload-conflict-vulnerability-in-langcha · AIR-2025-0394 · closed 2025-01-06

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-01-06
- AI role: Attack on AI
- Products: LangChain4j-AIDeepin
- CVE ids: CVE-2025-21604
- CVSS: 6.9

## Summary

LangChain4j-AIDeepin uses MD5 for file hashing which can cause file upload conflicts prior to version 3.5.0. The vulnerability has been resolved in the updated release.

## What to do

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

## Latest updates

- 2025-01-06: CVE-2025-21604: LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. (https://nvd.nist.gov/vuln/detail/CVE-2025-21604)

## Sources

- 2025-01-06 NVD: CVE-2025-21604: LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. https://nvd.nist.gov/vuln/detail/CVE-2025-21604

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

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