Critical severity9.9NVD Advisory· Published Apr 7, 2026· Updated Jul 24, 2026
CVE-2026-39355
CVE-2026-39355
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
1- github.com/MGeurts/genealogy/security/advisories/GHSA-2rq7-jqm7-w8x4nvdExploitVendor Advisory
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