CVE-2026-4502

medium

Published 2026-04-30 · Modified 2026-05-11

CVSS v3

6.5

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS v2

—

VIR risk

6.5

Description

IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@us.ibm.com — https://www.ibm.com/support/pages/node/7271097

Application impact

Vendor	Product	Versions	Fixed
langflow	langflow_desktop	`{"startIncluding":"1.2.0","endIncluding":"1.8.4"}`

References

https://www.ibm.com/support/pages/node/7271097

CWEs

CWE-22

Verify integrity in audit chain (admin only). AS-IS.