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[NEW] [medium] Langflow: Vulnerability enables bypass of security measures and manipulation of data

medium
A remote, authenticated attacker can exploit a vulnerability in Langflow to bypass security measures and manipulate data.

CSIRTS triage

What
An authenticated attacker can bypass security measures and manipulate data in the application.
Who is affected
Deployments of Langflow accessible to authenticated users.
Urgency
Medium severity; no active exploitation reported, but authentication bypass is a significant control failure.
Action
Check for available security updates or patches from Langflow and apply immediately.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-08-14
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2837

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