CVE-2026-108596 OpenLIT 2.1.0 Authorization Bypass via x-openlit-project-id Header
Authenticated attackers can read other projects' telemetry data, including LLM prompts, by forging the project ID header.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108596?
CVE-2026-108596 is a medium-severity missing authorization vulnerability in openlit, published on 10 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenLIT 2.1.0 contains an authorization bypass vulnerability that allows authenticated users to read other projects' telemetry by supplying a forged x-openlit-project-id header. Attackers who know a victim project id and database config id can query the trace read API to obtain traces including LLM prompts and completions.
Weakness: CWE-639
Which versions are affected by CVE-2026-108596?
How do I fix CVE-2026-108596?
No fix has been published for CVE-2026-108596 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-108596 being exploited?
There is no known exploitation of CVE-2026-108596 in the wild and no public exploit code.
Sources
Also known as GHSA-fx43-jvpp-9x44.