Lucene search
+L

CVE-2026-45349 Open WebUI: Broken Access Control for Completions API

🗓️ 15 May 2026 19:20:37Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 76 Views

Open WebUI allowed access via another user's chat ID to continue chats before 0.9.0; fixed in 0.9.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45349
15 May 202619:20
–attackerkb
bdu_fstec
BDU FSTEC
Open WebUI Authentication Bypass
22 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-45349
14 May 202620:24
–circl
cnnvd
CNNVD
Open WebUI security vulnerabilities
15 May 202600:00
–cnnvd
cve
CVE
CVE-2026-45349
15 May 202619:20
–cve
euvd
EUVD
EUVD-2026-30605
15 May 202619:20
–euvd
github
Github Security Blog
Open WebUI has Broken Access Control for Completions API
14 May 202620:24
–github
mend
Mend
CVE-2026-45349
15 May 202619:20
–mend
nvd
NVD
CVE-2026-45349
15 May 202620:16
–nvd
osv_ghsa
osv_ghsa
GHSA-GFM2-XM6C-37QC Open WebUI has Broken Access Control for Completions API
14 May 202620:24
–osv_ghsa
Rows per page
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.9.0",
        "status": "affected"
      }
    ]
  }
]

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