Rakuten Viber vulnerabilities
We track 1 vulnerability in Rakuten Viber products across 2 products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on March 5, 2026.
1vulnerabilities
1critical
0high
0exploited
9.8average CVSS score
Latest Rakuten Viber vulnerabilities
- 9.8 Critical severity
Rakuten Viber Cloak - Android: Use of a Broken or Risky Cryptographic Algorithm
Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS ClientHello fingerprint lacking extension diversity, allowing Deep Packet Inspection (DPI) systems to trivially identify and block proxy traffic, u