CVE-2026-39355HIGH 8.8EPSS p23.1%

CVE-2026-39355CVE-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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.32% probability of exploitation · percentile 23.1% · 2026-06-19T12:03:05Z
Published2026-04-07
Last modified2026-04-10

Underlying weaknesses· 1

CWE-862

References

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

1

TypeTargetConfidenceTier
WeaknessMissing Authorizationcwe-8620%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.