What is CVE-2026-7872?

CVE-2026-7872 is a high-severity vulnerability in Ibm Langflow Oss, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-07-17.

How severe is CVE-2026-7872?

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

Path Traversal in Ibm Langflow Oss

CVE-2026-7872

IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user.

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-2026-7872?: CVE-2026-7872 is a high-severity vulnerability in Ibm Langflow Oss, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-07-17.
How severe is CVE-2026-7872?: High severity. CVSS v3 base score is 7.5 out of 10.