CVE-2021-26833: Timelybills

Medium severity, CVSS 5.9. EPSS: 1% chance of exploitation in the next 30 days.

Cleartext Storage in a File or on Disk in TimelyBills <= 1.7.0 for iOS and versions <= 1.21.115 for Android allows attacker who can locally read user's files obtain JWT tokens for user's account due to insufficient cache clearing mechanisms. A threat actor can obtain sensitive user data by decoding the tokens as JWT is signed and encoded, not encrypted.

Affected products

  • Timelybills Timelybills: up to and including 1.7.0; up to and including 1.21.115

Published 2021-04-06. Last modified 2026-06-17.