IBM API Connect up to 12.1.1.2 path traversal

Summaryinfo

A vulnerability has been found in IBM API Connect up to 12.1.1.2 and classified as very critical. This issue affects some unknown processing. This manipulation causes path traversal. This vulnerability is tracked as CVE-2026-17335. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in IBM API Connect up to 12.1.1.2 and classified as very critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at ibm.com. This vulnerability is known as CVE-2026-17335 since 07/25/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/07/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Automation Software

Vendor

• IBM

Name

• API Connect

Version

• 12.1.1.0
• 12.1.1.1
• 12.1.1.2

License

• commercial

Website

• Vendor: https://www.ibm.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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