CVE-2026-108596
OpenLIT 2.1.0 Authorization Bypass via x-openlit-project-id Header
- State
- Published
- Severity
- 6.0 Medium
- Published
- Oct 10, 2026
- Updated
- Oct 18, 2026
- Reserved
- Oct 10, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
openlitopenlit |
|
References
- https://hackmd.io/@haind/openlit-project-context-readthird-party-advisory
- https://github.com/openlit/openlit/blob/9938c66638666ca5d3bcb850350faa82e510924b/src/client/src/lib/telemetry-source.ts#L113-L125technical-description
- https://github.com/openlit/openlit/blob/9938c66638666ca5d3bcb850350faa82e510924b/src/client/src/middleware/check-auth.ts#L22-L33technical-description
- https://github.com/openlit/openlitproduct
- VulnCheck Advisory: OpenLIT 2.1.0 Authorization Bypass via x-openlit-project-id Headerthird-party-advisory
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