CVE-2026-39355

CRITICAL

9.9

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.

CVE Details

CVSS v3.1 Score9.9

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/7/2026

Last Modified4/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

kreaweb:genealogy

Weaknesses (CWE)

CWE-862

References

https://github.com/MGeurts/genealogy/security/advisories/GHSA-2rq7-jqm7-w8x4(security-advisories@github.com)

https://github.com/MGeurts/genealogy/security/advisories/GHSA-2rq7-jqm7-w8x4(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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