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CVE-2026-21003

Improper input validation in data related to network restrictions prior to SMR Apr-2026 Release 1 allows physical attackers to bypass the re

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Improper input validation in data related to network restrictions prior to SMR Apr-2026 Release 1 allows physical attackers to bypass the restrictions.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Samsung Mobile Samsung Mobile Devices

    Version range not reported

References 2

security.samsungmobile.com

GitHub · George0Papasotiriou/CVE-2026-21003-JWT-none-Algorithm-Bypass-via-kid-Header-Omission