Alextselegidis Plainpad vulnerabilities
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Published CVEs affecting Alextselegidis Plainpad: 2 record(s), with affected versions and fixes.
CVE-2026-73529
Medium · 5.3
CWE-307 Aug 18, 2026
Plainpad Missing Rate Limiting via POST /v1/sessions
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.
CVE-2026-42562
High · 8.3
CWE-269 May 9, 2026
Plainpad: Privilege Escalation via Writable Admin Field in Profile Update (Access Control)
Plainpad is a self hosted note taking app. Prior to version 1.1.1, Plainpad allows a low-privilege authenticated user to self-escalate to administrator by submitting admin=true in PUT /api.php/v1/users/{id}. The endpoint directly persists the admin attribute from user input, and the escalated account can immediately access admin-only routes. This issue has been patched in version 1.1.1.