highclosedpatched

Langflow Langflow: Langflow Code Injection Vulnerability

› Langflow Langflow

last updated Mar 25, 2026

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started: Mar 25, 2026
closed: Mar 25, 2026
CVEs: 1
sources: 3

## summary

Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication. Added to CISA KEV on 2026-03-25.

severity: Actively exploited (CISA KEV)

## cve ids[1]

CVE-2026-33017

## affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

## fixed in

See vendor advisory linked in sources

## timeline[1]

Mar 25, 2026
CISA added CVE-2026-33017 to the KEV catalog (due 2026-04-08).

## advisories[3]

## notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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