{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.2.0"
              },
              {
                "fixed": "2.2.1"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "2684198bf88d92baf0cd599407231b36d6686fd0"
            },
            {
              "fixed": "266246e242430d921c32badecdd447514107c568"
            },
            {
              "fixed": "de4d7688317829e2a0b665fe9dbf39eaf127b6f9"
            }
          ],
          "repo": "https://github.com/plankanban/planka",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-307"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105835.json"
  },
  "details": "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-minute pending token to guess six-digit codes until one succeeds, obtaining a full access token.",
  "id": "CVE-2026-105835",
  "modified": "2026-10-08T02:31:10.477516900Z",
  "published": "2026-10-06T12:57:55.187Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105835.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105835"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/planka-2.2.0-through-2.2.1-totp-brute-force-via-verify-totp-endpoint"
    },
    {
      "type": "FIX",
      "url": "https://github.com/plankanban/planka/commit/de4d7688317829e2a0b665fe9dbf39eaf127b6f9"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/plankanban/planka"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/plankanban/planka/blob/v2.2.1/server/api/controllers/access-tokens/verify-totp.js"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "PLANKA 2.2.0 through 2.2.1 TOTP Brute Force via verify-totp Endpoint"
}