What is CVE-2026-84889?

CVE-2026-84889 is a high-severity vulnerability in IBM Langflow Oss, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-10.

How severe is CVE-2026-84889?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in IBM Langflow Oss

CVE-2026-84889

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary code due to improper limitation of a pathname to a restricted directory.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Langflow Oss

Weakness classification (CWE)

CWE-22 — Path Traversal

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-84889?: CVE-2026-84889 is a high-severity vulnerability in IBM Langflow Oss, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-10.
How severe is CVE-2026-84889?: High severity. CVSS v3 base score is 8.8 out of 10.