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9.8

Guru Team Site Chat on Telegram allows object injection

CVE-2025-30949 · published 1 year ago
Summary

The Site Chat on Telegram feature in Guru Team versions up to 1.0.4 can be tricked into processing crafted data, which may let an attacker alter how the software works or run unwanted actions. This can lead to unauthorized changes or data exposure. Upgrade to version 1.0.5 or later, or temporarily disable the chat feature until the update is applied.

Original advisory text
Deserialization of Untrusted Data vulnerability in Guru Team Site Chat on Telegram site-chat-on-telegram allows Object Injection.This issue affects Site Chat on Telegram: from n/a through <= 1.0.4.
Deserialization of Untrusted Data vulnerability in Guru Team Site Chat on Telegram site-chat-on-telegram allows Object Injection.This issue affects Site Chat on Telegram: from n/a through <= 1.0.4.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-502Deserialization of Untrusted Data
Timeline
Published16 Jul 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-30949 · NVD
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