Lucene search
+L

CVE-2026-45666

🗓️ 15 May 2026 21:07:42Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 67 Views🌐 WEB

CVE-2026-45666: Open WebUI IDOR allows unauthorized note access via /api/v1/notes/{note_id} before 0.8.11.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45666
15 May 202621:07
–attackerkb
bdu_fstec
BDU FSTEC
Open WebUI Authentication Bypass
28 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-45666
11 May 202619:03
–circl
cnnvd
CNNVD
Open WebUI security vulnerabilities
15 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-45666 Open WebUI: Indirect Object Reference (IDOR) in user notes
15 May 202621:07
–cvelist
euvd
EUVD
EUVD-2026-30647
15 May 202621:07
–euvd
github
Github Security Blog
Open WebUI has an Indirect Object Reference (IDOR) in user notes
14 May 202620:27
–github
mend
Mend
CVE-2026-45666
15 May 202621:07
–mend
nvd
NVD
CVE-2026-45666
15 May 202622:16
–nvd
osv_ghsa
osv_ghsa
GHSA-X3QM-P8HR-3C3H Open WebUI has an Indirect Object Reference (IDOR) in user notes
14 May 202620:27
–osv_ghsa
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.8.11",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
{note_id}path/api/v1/notes/{note_id}The /api/v1/notes/{note_id} endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs.CWE-639

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Jun 2026 10:52Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.00389
SSVC
67