CVE-2026-39355

Genealogy is a family tree PHP application. Prior to 5.9.1, a critical broken access control vulnerability in the genealogy application allows any authenticated user to transfer ownership of arbitrary non-personal teams to themselves. This enables complete takeover of other users’ team workspaces and unrestricted access to all genealogy data associated with the compromised team. This vulnerability is fixed in 5.9.1.

Score
CVSS 3.1 10.0 Critical
Status
Analyzed - security-advisories@github.com
Published
2026-04-07
Last modified
2026-04-08
Weaknesses
CWE-862

Affected products

References

 
 
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