CVE-2026-101063
CVE-2026-101063
Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/* when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to /v0.1/servers.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/obot-platform/obot/security/advisories/GHSA-pr6h-vr44-xq8j (vendor-advisory)
- www.vulncheck.com/advisories/obot-before-0.23.0-authentication-bypass-via-regis… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-101063?
- CVE-2026-101063 is a medium-severity vulnerability, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-27.
- How severe is CVE-2026-101063?
- Medium severity. CVSS v3 base score is 5.3 out of 10.