WID-SEC-W-2026-0103

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

LangChain (MRKLOutputParser): Schwachstelle ermöglicht Denial of Service

view advisory published 2026-01-13

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in LangChain ausnutzen, um einen Denial of Service Angriff durchzuführen.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-58340UShigh7.5—
LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service (ReDoS) vulnerability in the MRKLOutputParser.parse() method (libs/langchain/langchain/a…
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references

External citations — patches, advisories, analysis.

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