CVE-2026-55255Vulnerability
Langflow Authorization Bypass Through User-Controlled Key Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 2 independent sources · first reported by Recorded Future · last reported
Last reported 9 days ago
CISA KEVAdded 7 Jul 2026
Fix due 10 Jul 2026
Used by ransomware: not knownCISA KEV catalogue
Fix due 10 Jul 2026
Used by ransomware: not knownCISA KEV catalogue
EPSS0.9%
higher than 58% of CVEsFIRST EPSS, as of 23 Oct 2026
higher than 58% of CVEsFIRST EPSS, as of 23 Oct 2026
What the reports say
2 reports, newest first · the exact sentence from each-
Langflow's Critical Authenticated RCE Flaw Targeted in 1,423 Honeypot Exploit Attempts“…e IP address has engaged in generic brute-force attacks, as well as exploiting other flaws in Flowise (CVE-2026-69255) and Langflow (CVE-2026-55255, CVE-2026-9198, and CVE-2026-0768).”
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July 2026 CVE Landscape“CVE-2026-55255”
Indicators reported together
named in the same reportsAlso named with it: CVE-2025-49113, CVE-2026-33824, CVE-2024-42009, CVE-2026-15409, CVE-2026-15410, CVE-2026-25089, CVE-2026-39808, CVE-2026-42897, CVE-2025-55182, CVE-2018-0802, CVE-2026-50522, CVE-2026-58644, CVE-2025-3248, CVE-2008-4128, CVE-2017-17215, CVE-2021-4034, CVE-2021-27137, CVE-2023-4346, CVE-2025-68686, CVE-2026-0770
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