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CVE-2025-55733VulnerabilityPublished

CVE-2025-55733: ThinkInAIXYZ deepchat · Code Injection

Affects ThinkInAIXYZ deepchatSource CVE Database V5

0

Not known to be exploited · CVSS 9.7 Critical : upgrade to 0.3.1 as a priority.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
9.7Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade ThinkInAIXYZ deepchat to 0.3.1.

Affected software

ProductAffectedFixed in
ThinkInAIXYZ deepchatAffected
  • <0.3.1
Fixed in
  • 0.3.1

AI-suggested

1. Immediate upgrade: Ensure all DeepChat installations are updated to version 0.3.1 or later, where the vulnerability is patched. 2. URL handler restrictions: Implement endpoint protection policies to restrict or monitor the invocation of custom URL handlers like 'deepchat:' to prevent unauthorized or suspicious activations. 3. User awareness training: Educate users about the risks of clicking unknown or suspicious links, especially those that may invoke external applications. 4. Network controls: Use web filtering and email security solutions to block or flag URLs containing the 'deepchat:' scheme or suspicious deepchat: URLs. 5. Application whitelisting: Employ application control mechanisms to restrict execution of unauthorized code or scripts spawned by DeepChat. 6. Incident response readiness: Prepare detection rules and monitoring for unusual DeepChat process activity or unexpected network connections originating from endpoints. 7. Vendor communication: Maintain contact with ThinkInAIXYZ for any further patches or advisories and verify the integrity of updates before deployment.

Description

DeepChat is a smart assistant that connects powerful AI to your personal world. DeepChat before 0.3.1 has a one-click remote code execution vulnerability. An attacker can exploit this vulnerability by embedding a specially crafted deepchat: URL on any website, including a malicious one they control. When a victim visits such a site or clicks on the link, the browser triggers the app’s custom URL handler (deepchat:), causing the DeepChat application to launch and process the URL, leading to remote code execution on the victim’s machine. This vulnerability is fixed in 0.3.1.

References

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