---
id: CVE-2026-108596
title: >-
  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
summary: >-
  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 …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-639
published: '2026-10-10'
updated: '2026-10-10'
sourceUpdated: '2026-10-10T19:16:58.070'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108596'
references:
  - url: 'https://github.com/openlit/openlit'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/openlit/openlit/blob/9938c66638666ca5d3bcb850350faa82e510924b/src/client/src/lib/telemetry-source.ts#L113-L125
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/openlit/openlit/blob/9938c66638666ca5d3bcb850350faa82e510924b/src/client/src/middleware/check-auth.ts#L22-L33
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@haind/openlit-project-context-read'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/openlit-2.1.0-authorization-bypass-via-x-openlit-project-id-header
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-10T19:30:07.154Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.