CVE-2026-72780: Authentication Bypass by Capture-replay in craftcms cms
Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts.
CVE-2026-72780: Authentication Bypass by Capture-replay in craftcms cms
Description
Craft CMS before 5.10.5 fails to persist updated credential counters after WebAuthn assertion validation in the passkey login endpoint. Attackers can replay captured login request bodies containing requestOptions and response to create additional authenticated sessions for victim accounts.
CVSS v4.0
Score 7.1high
Affected software
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-10T15:09:12.955Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7b18a1bf8831d539b86111
Added to database: 08/11/2026, 12:42:09 UTC
Last updated: 08/11/2026, 12:42:09 UTC
Views: 1
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