Lucene search
+L

CVE-2026-54733 moodle-local_o365: Authentication bypass via unverified JWT signature in Teams SSO endpoint

🗓️ 16 Jul 2026 14:52:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Authentication bypass in moodle local_o365 Teams SSO from unsigned JWT; fixed in 4.5.6, 5.0.5, 5.1.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
CVE-2026-54733
16 Jul 202614:52
attackerkb
circl
CVE-2026-54733
16 Jul 202616:15
circl
cve
CVE-2026-54733
16 Jul 202614:52
cve
euvd
EUVD-2026-44938
16 Jul 202614:52
euvd
nvd
CVE-2026-54733
16 Jul 202616:19
nvd
ptsecurity
PT-2026-60486
16 Jul 202600:00
ptsecurity
vulnrichment
CVE-2026-54733 moodle-local_o365: Authentication bypass via unverified JWT signature in Teams SSO endpoint
16 Jul 202614:52
vulnrichment
[
  {
    "vendor": "microsoft",
    "product": "o365-moodle",
    "versions": [
      {
        "version": "< 4.5.6",
        "status": "affected"
      },
      {
        "version": ">= 5.0.0, < 5.0.5",
        "status": "affected"
      },
      {
        "version": ">= 5.1.0, < 5.1.1",
        "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