Vulnerability · Published Jan 14, 2026 · Assigned by jpcert
CVE-2025-68492
Medium 4.2
In plain English
A medium-severity authorization bypass via user-controlled key in Chainlit from Chainlit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)4.2Medium
Exploit odds (30 days)0.2%top 87.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Chainlit versions prior to 2.8.5 contain an authorization bypass through user-controlled key vulnerability. If this vulnerability is exploited, threads may be viewed or thread ownership may be obtained by an attacker who can log in to the product.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | chainlit | 2.8.5 | GHSA-v492-6xx2-p57g |
| PyPI | chainlit | 2.8.5 | PYSEC-2026-1238 |
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N