[Japanese]

JVNDB-2026-000006

Chainlit vulnerable to improper access restriction

Overview

Chainlit provided by Chainlit contains the following vulnerability.
  • Authorization bypass through user-controlled key (CWE-639) - CVE-2025-68492
Shotaro Kimura of NRI SecureTechnologies, Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.2 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
Affected Products


Chainlit
  • Chainlit versions prior to 2.8.5

Impact

Threads may be viewed or thread ownership may be obtained by an attacker who can log in to the product.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

Chainlit
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-68492
References

  1. JVN : JVN#34964581
Revision History

  • [2026/01/14]
      Web page was published

Date Public2026/01/14
Date First Published2026/01/14
Date Last Updated2026/01/14