An exploitable information disclosure vulnerability exists in the 'Secret Chats' functionality of Rakuten Viber on Android 9.3.0.6.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• rakuten viber9.3.0.6

Versions reported by the vendor

Affected version ranges reported by the assigning authority (talos). Independent of NVD's CPE analysis and usually ahead of it.

• n/a Rakuten Viber

  • Rakuten Viber Android 9.3.0.6affected

Other highest-scoring records for the same primary product.

• CVE-2025-13476Rakuten Viber uses broken or risky cryptographic Algorithm
  39Monitor
• CVE-2019-12569A vulnerability in Viber before 10.7.0 for Desktop (Windows) could allow an attacker to execute arbitrary commands on a targeted system.
  36Monitor
• CVE-2019-18800Viber through 11.7.0.5 allows a remote attacker who can capture a victim's internet traffic to steal their Viber account, because not all Vi
  35Monitor
• CVE-2020-14049Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler.
  31Monitor
• CVE-2025-55996Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
  25Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.