Medium severity · published Sep 27, 2026
CVE-2026-101063
Obot before v0.23.0 Authentication Bypass via Registry API
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OB
obot · obot-platform
before 0.23.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-101063
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-101063
vendor-advisory
https://github.com/obot-platform/obot/security/advisories/GHSA-pr6h-vr44-xq8j
third-party-advisory
https://www.vulncheck.com/advisories/obot-before-0.23.0-authentication-bypass-via-registry-api
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