{"vulnerability": "cve-2025-52576", "sightings": [{"uuid": "9789ff14-cfde-4ffb-859b-127f6d3bdea3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-52576", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/19499", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-52576\n\ud83d\udd25 CVSS Score: 5.3 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)\n\ud83d\udd39 Description: Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and abusing trusted HTTP headers, an attacker can determine valid usernames and circumvent rate-limiting or blocking mechanisms. Any organization running a publicly accessible Kanboard instance is affected, especially if relying on IP-based protections like Fail2Ban or CAPTCHA for login rate-limiting. Attackers with access to the login page can exploit this flaw to enumerate valid usernames and bypass IP-based blocking mechanisms, putting all user accounts at higher risk of brute-force or credential stuffing attacks. Version 1.2.46 contains a patch for the issue.\n\ud83d\udccf Published: 2025-06-25T16:46:01.954Z\n\ud83d\udccf Modified: 2025-06-25T16:46:01.954Z\n\ud83d\udd17 References:\n1. https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7\n2. https://github.com/kanboard/kanboard/commit/3079623640dc39f9c7b0c840d2a79095331051f1\n3. https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Model/UserLockingModel.php#L101-L104\n4. https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Subscriber/AuthSubscriber.php#L96-L108", "creation_timestamp": "2025-06-25T18:06:30.000000Z"}]}