CVE-2026-19875: IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due…

PriorityP350high7.5CVSS 3.1

AVNACLPRNUINSUCNIHAN

EPSS

0.36%

28.8th percentile

IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due to missing authentication for the registration endpoint.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ibm	langflow_oss	1.0.0 – 1.10.0	—
langflow	langflow	>= 1.0.0 < 1.10.1	1.10.1

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