What is CVE-2026-12942?

CVE-2026-12942 is a high-severity vulnerability in Ibm Langflow Oss, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-07-30.

How severe is CVE-2026-12942?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Ibm Langflow Oss

CVE-2026-12942

IBM Langflow OSS 1.0.0 through 1.10.1 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the syste…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ibm Langflow Oss — versions 1.0.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-12942?: CVE-2026-12942 is a high-severity vulnerability in Ibm Langflow Oss, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-07-30.
How severe is CVE-2026-12942?: High severity. CVSS v3 base score is 7.5 out of 10.