Published:2026/01/14  Last Updated:2026/01/14

JVN#34964581
Chainlit vulnerable to improper access restriction

Overview

Chainlit provided by Chainlit contains an improper access restriction vulnerability.

Products Affected

  • Chainlit versions prior to 2.8.5

Description

Chainlit provided by Chainlit contains the following vulnerability.

  • Authorization bypass through user-controlled key (CWE-639)
    • CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Base Score 2.3
    • CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N Base Score 4.2
    • CVE-2025-68492

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 Status

Vendor Link
Chainlit Releases

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

Shotaro Kimura of NRI SecureTechnologies, Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2025-68492
JVN iPedia JVNDB-2026-000006