CVE-2026-16679: api connect Path Traversal — Fix

Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to view arbitrary files on the system due to a path traversal vulnerability. A specially crafted URL request could allow directories outside the intended location to be accessed.

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CVSS v3.1 Score

4.3

MEDIUM

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

EPSS — Exploit Prediction

0.0046

Probability of exploitation

0.41%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
ibm	api_connect	10.0.8.0 — 10.0.8.13
ibm	api_connect	12.1.0.0 — 12.1.1.3

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7295635 https://www.ibm.com/support/pages/node/7295637

Frequently Asked Questions

What is CVE-2026-16679? +

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to view arbitrary files on the system due to a path traversal vulnerability. A specially crafted URL request could allow directories outside the intended location to be accessed. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-16679? +

CVE-2026-16679 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-16679? +

CVE-2026-16679 affects products from ibm, specifically: api_connect. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-16679? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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