Lucene search
+L

CVE-2026-55089 Etherpad: JWT `admin` claim presence-only check lets non-admin OAuth users invoke every Etherpad HTTP API endpoint

🗓️ 19 Aug 2026 19:33:19Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Etherpad 2.1.0-3.0.9 JWT admin claim presence-only check enables non-admin OAuth users to invoke all /api/2/* endpoints.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-55089
19 Aug 202619:33
cve
euvd
EUVD
EUVD-2026-62737
19 Aug 202619:33
euvd
nvd
NVD
CVE-2026-55089
19 Aug 202620:17
nvd
ptsecurity
Positive Technologies
PT-2026-78643
19 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-55089 Etherpad: JWT `admin` claim presence-only check lets non-admin OAuth users invoke every Etherpad HTTP API endpoint
19 Aug 202619:33
vulnrichment
[
  {
    "vendor": "ether",
    "product": "etherpad",
    "versions": [
      {
        "version": ">= 2.1.0, < 3.1.0",
        "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