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CVE-2026-55450VulnerabilityPublished

Bundesamt für Sicherheit in der Informationstechnik Open Source · Langflow: Schwachstelle ermöglicht Denial of Service und Offenlegung von Informationen

Affects Bundesamt für Sicherheit in der Informationstechnik Open SourceSource GCVE Database

0

Not known to be exploited · public detection template (Nuclei) : upgrade to 1.9.1 when convenient.

Data as of 26 Oct 2026, 17:16 UTC

Severity
Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.9.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jun 2026

  2. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  3. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade langflow-ai/langflow to 1.9.1.

Affected software

ProductAffectedFixed in
GitHublangflow-ai/langflowpkg:github/langflow-ai/langflowOther threatsAffected
  • <1.9.1
  • =1.9.1
Fixed in
  • 1.9.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

Langflow bietet eine visuelle Schnittstelle zum Erstellen von LLM-basierten Anwendungen.

References

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