AI / ML CVE-2025-21604
MEDIUMVulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A04:2025 - Cryptographic Failures
ASVS 5.0
V11 - Cryptography Irreversible hash functions
|
| Impact | CVSS score of 6.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.06%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAIv1 – Mar 28, 2026
LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected ProductsAI
See vendor advisory for affected versions.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-328. LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. Prior to 3.5.0, LangChain4j-AIDeepin uses MD5 to hash files, which may cause file upload conflicts. This issue is fixed in 3.5.0. Version information: Prior to 3.5.0.
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
DescriptionGitHub Advisory
LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. Prior to 3.5.0, LangChain4j-AIDeepin uses MD5 to hash files, which may cause file upload conflicts. This issue is fixed in 3.5.0.
Executive ViewAI
Organizations using LangChain4j-AIDeepin should be aware of notable risk from CVE-2025-21604 rated CVSS 6.9. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
How this decision was reached
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What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
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GitHub PoC
Exploit-DB