7.5highHigh

CVE-2026-19875

Langflow Langflow

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.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
7.5 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-306
Assigned by
psirt@us.ibm.com

Dates

Published
2026-08-19
Last modified
2026-08-26
Sources
NVD

Affected products

  • Langflow Langflow1.0.0 - 1.10.1
  • Apple Macosall versions
  • Linux Linux Kernelall versions
  • Microsoft Windowsall versions

As listed in the NVD configuration data. Not a statement about your estate.

References