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Critical LangChain Core Vulnerability Exposes Secrets via Serialization Injection

The Hacker Newsby @TheHackersNews ()2 min read2 · 1 read
Analyze CVE-2025-68664 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-68664
Serialization Injection in LangChain Core dumps()/dumpd() Exposes Secrets
8.243%PoC ×2
CVE-2025-68665
LangChain: And prior to langchain versions 0.3.37 and 1.2.3, a serialization injection vulnerability exists in LangChain JS's toJSON()…
9.1<1%

From the original article

2 min read at thehackernews.com

A critical security flaw has been disclosed in LangChain Core that could be exploited by an attacker to steal sensitive secrets and even influence large language model (LLM) responses through prompt injection. LangChain Core (i. e.

The Hacker News

By @TheHackersNews · thehackernews.com

Read the full article at The Hacker News

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.