CVE-2026-7664

EPSS 0.28%
Veröffentlicht 22.06.2026 14:10:25
Zuletzt bearbeitet 26.06.2026 21:29:37
Quelle psirt@us.ibm.com
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Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint.

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 4

NVD 1 VulnDex Vulnerability Enrichment 0

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Langflow ≫ Langflow Version >= 1.0.0 <= 1.8.4

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.28%	0.193

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
psirt@us.ibm.com	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

https://www.ibm.com/support/pages/node/7277243

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2026-7664

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-7664

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-7664

EUVD

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CVE-2026-7664