CVE-2026-121802
Last modified
CVE-2026-121802 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. @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..
Description
@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.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-121802?
How severe is CVE-2026-121802?
How do I fix CVE-2026-121802?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-121749Node Version Manager (nvm) is a POSIX-compliant shell functi…3.3
- CVE-2026-12175A vulnerability was detected in CodeAstro Student Attendance…4.7
- CVE-2026-121750Node Version Manager (nvm) is a POSIX-compliant shell functi…3.1
- CVE-2026-121751Node Version Manager (nvm) is a POSIX-compliant shell functi…3.1
- CVE-2026-12176A vulnerability has been found in SourceCodester CET Automat…4.3
- CVE-2026-1218A vulnerability was detected in Bjskzy Zhiyou ERP up to 11.0…6.3
- CVE-2026-121803Rejected reason: This CVE ID is a duplicate of CVE-2026-8033…
- CVE-2026-121816Herowatch Mini developed by About Time Technologies has a Mi…8.8
- CVE-2026-121817Herowatch Go Server developed by About Time Technologies has…7.5
- CVE-2026-121818Herowatch Mini developed by About Time Technologies has a sy…7.8
- CVE-2026-12183Nefteprodukttekhnika BUK TS-G Gas Station Automation System …9.8
- CVE-2026-12185In Bouncy Castle for Java before 1.85, BKS/UBER keystore all…8.6
Are you affected by CVE-2026-121802?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
