{"id":"CVE-2026-105835","title":"PLANKA 2.2.0 through 2.2.1 fails to limit incorrect TOTP codes submitted to POST /api/access-tokens/verify-totp, allowing attackers to brute force two-factor authentication codes","summary":"PLANKA 2.2.0 through 2.2.1 fails to limit incorrect TOTP codes submitted to POST /api/access-tokens/verify-totp, allowing attackers to brute force two-factor authentication codes. Attackers who know a user's password can reuse the ten-mi…","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-307"],"vendor":"planka","product":"planka","affected":["planka >= 2.2.0 <= 2.2.1"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T13:16:46.760","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105835","references":[{"url":"https://github.com/plankanban/planka","label":"disclosure@vulncheck.com"},{"url":"https://github.com/plankanban/planka/blob/v2.2.1/server/api/controllers/access-tokens/verify-totp.js","label":"disclosure@vulncheck.com"},{"url":"https://github.com/plankanban/planka/commit/de4d7688317829e2a0b665fe9dbf39eaf127b6f9","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/planka-2.2.0-through-2.2.1-totp-brute-force-via-verify-totp-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T14:00:19.132Z","slug":"CVE-2026-105835","body":"## Overview\n\nPLANKA 2.2.0 through 2.2.1 fails to limit incorrect TOTP codes submitted to POST /api/access-tokens/verify-totp, allowing attackers to brute force two-factor authentication codes. Attackers who know a user's password can reuse the ten-minute pending token to guess six-digit codes until one succeeds, obtaining a full access token.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}