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CVE-2026-91972 Vikunja before 2.6.0 Authentication Bypass via Unthrottled API

🗓️ 15 Sep 2026 15:18:22Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessing, acc...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-91972
15 Sep 202615:18
cve
euvd
EUVD
EUVD-2026-78648
15 Sep 202615:18
euvd
nvd
NVD
CVE-2026-91972
15 Sep 202616:17
nvd
[
  {
    "vendor": "go-vikunja",
    "product": "vikunja",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2.6.0"
      },
      {
        "version": "2.6.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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15 Sep 2026 15:18Current
CVSS 3.17.5
CVSS 48.7
9