Search/CVE-2026-63399
● CVE

CVE-2026-63399

DiscoveredOct 30, 2026UpdatedOct 30, 2026

Coop is an open source review and moderation tool from ROOST. Prior to 1.0.0, the GraphQL Mutation.createOrg operation allows an unauthenticated actor to create arbitrary organizations on a publicly accessible instance. In addition to creating noise in the logs, the lack of rate limiting could potentially lead to database exhaustion. Running the service on an authenticated private network prevents outside actors from directly querying the GraphQL API. This issue is fixed in version 1.0.0.

CVSS v3.1
—
EPSS
—%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Connections
2 relationships
Timeline
disclosure → media coverage
Oct 30, 2026
Disclosure — published as a CVE record.