CVE-2026-17335: Multiple Vulnerabilities in IBM API Connect

Q: Which deployments are affected?

IBM API Connect V12 OnPrem versions 12.1.0.0 through 12.1.1.2 are identified as affected.

Q: What level of access does an attacker need?

An attacker must be remote and authenticated. The issue is triggered through uploaded content containing file paths that are not sufficiently validated.

Q: What is the potential impact of successful exploitation?

An authenticated attacker could write files outside the intended upload location through path traversal and execute arbitrary code.

Published Nov 5, 2026

Updated

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.

Other sources

IBM API Connect 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.

— IBM

Affected Software

1 affected component

IBM API Connect V12 OnPrem<=v12.1.0.0 - v12.1.1.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade IBM API Connect to a version that resolves this vulnerability.
Fixed in v12.1.1.3

Event History

Nov 5, 2026

CVE Published

via IBM·12:00 AM

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

Nov 7, 2026

CVE Published

via MITRE·04:33 AM

Data Sourced

via MITRE·04:33 AM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·05:18 AM

DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

IBM-7295635

Frequently Asked Questions

Which deployments are affected?

IBM API Connect V12 OnPrem versions 12.1.0.0 through 12.1.1.2 are identified as affected.

What level of access does an attacker need?

An attacker must be remote and authenticated. The issue is triggered through uploaded content containing file paths that are not sufficiently validated.

What is the potential impact of successful exploitation?

An authenticated attacker could write files outside the intended upload location through path traversal and execute arbitrary code.

CVE-2026-17335: Multiple Vulnerabilities in IBM API Connect

Other sources

Affected Software

Remediation

Event History

Parent advisories

Frequently Asked Questions

Which deployments are affected?

What level of access does an attacker need?

What is the potential impact of successful exploitation?

Company

Resources

Contact

Frequently Asked Questions

Which deployments are affected?

What level of access does an attacker need?

What is the potential impact of successful exploitation?