CVE-2025-55733CWE-94

DeepChat One-click Remote Code Execution through Custom URL Handling

Critical · published August 19, 2025

CVSS v3.1
9.7
EPSS
1%
Percentile
51.8
In the wild
Unconfirmed
What it is

🔥 One click is all it takes for this remote code execution vulnerability in DeepChat! A crafted URL on a malicious site can turn your device into a playground for attackers! Think of it like a ‘free sample’ at a store that, when accepted, unlocks secret access to the entire inventory. This vulnerability lets attackers inject their code through a seemingly innocent link, just like accepting a sample could open the door to unwanted surprises. An attacker could execute arbitrary code on the victim's machine, potentially leading to data theft, system takeover, or installing malware without the user's knowledge. This is absolutely devastating as it transforms your trusted app into an unwitting accomplice for cybercrime!

Put simply

Think of it like a ‘free sample’ at a store that, when accepted, unlocks secret access to the entire inventory. This vulnerability lets attackers inject their code through a seemingly innocent link, just like accepting a sample could open the door to unwanted surprises. This vulnerability arises due to DeepChat's custom URL handler (deepchat:) being triggered by malicious URLs, allowing attackers to execute harmful code when the app processes the link.

What to do

An attacker could execute arbitrary code on the victim's machine, potentially leading to data theft, system takeover, or installing malware without the user's knowledge. This is absolutely devastating as it transforms your trusted app into an unwitting accomplice for cybercrime! Update DeepChat to version 0.3.1 immediately to close this critical vulnerability. Additionally, educate users about the risks of clicking unknown URLs, especially those that claim to be 'deepchat:' links. Regularly review security practices to prevent such exploits. You've got this! Follow these steps to secure your system and keep your data safe! 🛡️

The record
Technical detail
CVSS v3.1
9.7 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00680 · 51.8th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2025-08-19T18:26Z
EPSS history
Timeline
  • 19 AUG 18:26Z
    DeepChat One-click Remote Code Execution through Custom URL Handling
    cvelistv5