What is CVE-2026-17335?

CVE-2026-17335 is a high-severity vulnerability in IBM API Connect, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-11-07.

How severe is CVE-2026-17335?

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

Path Traversal in IBM API Connect

CVE-2026-17335

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary code due to path traversal. File paths in uploaded content are not sufficiently validated, which could allow files to be written outside the intended location and code to be executed.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-11-07 · last modified 2026-11-07.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM API Connect

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.ibm.com/support/pages/node/7295635 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-17335?: CVE-2026-17335 is a high-severity vulnerability in IBM API Connect, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-11-07.
How severe is CVE-2026-17335?: High severity. CVSS v3 base score is 8.8 out of 10.