CRITICALCVSS v3.1 9.1Vulnerability

CVE-2026-121802

@better-auth/expo before 1.7.16 allows certain account-takeover outcomes (e.g., unauthenticated changes of any account's email address), because it signs a caller-supplied state value without checking whether that value had been issued by the server. NOTE: the application secret must be rotated after updating to a fixed version.

Properties

Severity
CRITICAL
Nvd fetched at
2026-11-04T05:29:06.845347+00:00
Cvss severity
CRITICAL
Cvss score
9.1
Retrieved at
2026-11-04T05:30:17+00:00
Score
9.1
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-121802
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
First seen by Signal
2026-11-04T05:30:17+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published at
2026-11-04T03:17:15.730
Last modified
2026-11-04T03:17:15.877

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-121802 (CVSS v3.1 9.1) — Ninja Signal Threat Intelligence | Ninja Signal