alextselegidis Plainpad up to 1.1.1 API Throttle Configuration App\Http\Kernel.php resource consumption

Summaryinfo

A vulnerability, which was classified as problematic, has been found in alextselegidis Plainpad up to 1.1.1. Affected by this issue is some unknown functionality of the file App\Http\Kernel.php of the component API Throttle Configuration. The manipulation leads to resource consumption. This vulnerability is documented as CVE-2026-73529. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in alextselegidis Plainpad up to 1.1.1. It has been rated as problematic. This issue affects an unknown functionality of the file App\Http\Kernel.php of the component API Throttle Configuration. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

Plainpad through 1.1.1, fixed in commit d3823fc, contains a missing rate limiting vulnerability that allows unauthenticated attackers to send unbounded login requests to the POST /v1/sessions endpoint due to dead code in App\Http\Kernel.php that is never instantiated under the Laravel 11+ skeleton, leaving the API throttle configuration unattached to any route. Attackers can exploit this by sending unlimited credential attempts with no lockout or CAPTCHA enforcement, and additionally trigger CPU exhaustion by forcing repeated bcrypt comparisons on each request.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-73529 since 08/12/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

By approaching the search of inurl:App\Http\Kernel.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch d3823fc595b5d8f842a6fd7dfe49b7852a10fdac is able to eliminate this problem.

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

Productinfo

Vendor

• alextselegidis

Name

• Plainpad

Version

• 1.1.0
• 1.1.1

Website

• Product: https://github.com/alextselegidis/plainpad/

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CPE 2.2info

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

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