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CVE-2026-45398 Open WebUI: IDOR - Retrieval API Bypasses Knowledge Base Access Controls

🗓️ 15 May 2026 20:35:35Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

CVE-2026-45398 Open WebUI IDOR lets authenticated users read and write private knowledge bases via retrieval endpoints; fixed in 0.9.5.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-45398
15 May 202620:35
attackerkb
Circl
CVE-2026-45398
10 May 202619:36
circl
CNNVD
Open WebUI 安全漏洞
15 May 202600:00
cnnvd
CVE
CVE-2026-45398
15 May 202620:35
cve
EUVD
EUVD-2026-30634
15 May 202620:35
euvd
Github Security Blog
Open WebUI Vulnerable to IDOR: Retrieval API Bypasses Knowledge Base Access Controls
14 May 202620:26
github
NVD
CVE-2026-45398
15 May 202621:16
nvd
Tenable Nessus
Open WebUI < 0.9.5 Multiple Vulnerabilities
15 May 202600:00
nessus
OSV
GHSA-4G37-7P2C-38R9 Open WebUI Vulnerable to IDOR: Retrieval API Bypasses Knowledge Base Access Controls
14 May 202620:26
osv
Positive Technologies
PT-2026-41193
14 May 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.9.5",
        "status": "affected"
      }
    ]
  }
]

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