wbond certvalidator up to 0.11.1 Certificate Path Builder resource consumption

Summaryinfo

A vulnerability was found in wbond certvalidator up to 0.11.1. It has been classified as problematic. Impacted is an unknown function of the component Certificate Path Builder. Performing a manipulation results in resource consumption. This vulnerability was named CVE-2026-109144. The attack may be initiated remotely. There is no available exploit. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, was found in wbond certvalidator up to 0.11.1. This affects an unknown code block of the component Certificate Path Builder. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-109144. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vendor was contacted early about this disclosure but did not respond in any way. The vulnerability scanner Nessus provides a plugin with the ID 366863 (Linux Distros Unpatched Vulnerability : CVE-2026-109144), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (366863). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• wbond

Name

• certvalidator

Version

• 0.11.0
• 0.11.1

Website

• Product: https://github.com/wbond/certvalidator/

CPE 2.3info

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Submitinfo

Accepted

• Submit #978613: wbond certvalidator 0.11.1 Denial of Service (by github.com)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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