CVE-2025-68492 Chainlit contains an authorization bypass vulnerability
Authenticated attackers can bypass authorization to view or claim ownership of other users' threads in Chainlit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-68492?
CVE-2025-68492 is a low-severity authentication bypass vulnerability in Chainlit, published on 14 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-639
Which versions are affected by CVE-2025-68492?
3 open source packages ship an affected version, including chainlit.
| Package | Affected | Fixed in |
|---|---|---|
chainlit PyPI | All versions | 2.8.5 |
chainlit PyPI | All versions | 2.8.5 |
chainlit PyPI | All versions | 2.8.5 |
How do I fix CVE-2025-68492?
Upgrade chainlit to 2.8.5 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-68492 being exploited?
There is no known exploitation of CVE-2025-68492 in the wild and no public exploit code.
Sources
Also known as GHSA-v492-6xx2-p57g, PYSEC-2026-1238.