Auth bypass in Openlit
CVE-2026-108596
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind/openlit-project-context-read (third-party-advisory)
- github.com/openlit/openlit/blob/9938c66638666ca5d3bcb850350faa82e510924b/src/cl… (technical-description)
- github.com/openlit/openlit/blob/9938c66638666ca5d3bcb850350faa82e510924b/src/cl… (technical-description)
- github.com/openlit/openlit (product)
- www.vulncheck.com/advisories/openlit-2.1.0-authorization-bypass-via-x-openlit-p… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108596?
- CVE-2026-108596 is a medium-severity vulnerability in Openlit, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-10.
- How severe is CVE-2026-108596?
- Medium severity. CVSS v3 base score is 5.3 out of 10.