MEDIUMCVSS v3.1 6.8Vulnerability
CVE-2026-119561
phpMyAdmin through 5.2.3 contains an authentication bypass vulnerability in CustomServer::parseAndValidateAssertionResponse() that never verifies WebAuthn assertion signatures against stored public keys. Attackers holding a victim's MySQL credentials can POST a crafted webauthn_request_response with matching challenge, origin, and rpIdHash to bypass the second factor and gain database privileges.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-30T16:01:42.334480+00:00
- Cvss score
- 6.8
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-10-30T16:05:56+00:00
- Score
- 6.8
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-119561
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- First seen by Signal
- 2026-10-30T16:05:56+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- Published at
- 2026-10-30T12:16:43.513
- Last modified
- 2026-10-30T12:16:43.513
Related Entities (1)
HAS_WEAKNESS (1)
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