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CVE-2026-41659

Admidio: Hidden Profile Field Values Leaked via Blind Search Oracle in Member Assignment

Published: May 7, 2026Updated: May 7, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
2.7CVSSLOW
EPSS Score
0.3%
Top 83.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Admidio is an open-source user management solution. Prior to version 5.0.9, the member assignment DataTables endpoint (members_assignment_data.php) includes hidden profile fields (BIRTHDAY, STREET, CITY, POSTCODE, COUNTRY) in its SQL search condition regardless of field visibility settings. While the JSON output correctly suppresses hidden columns via isVisible() checks, the server-side search operates at the SQL level before any visibility filtering. This allows a role leader with assign-only permissions to infer hidden PII values by observing which users appear in search results for specific values. This issue has been patched in version 5.0.9.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200

Affected Products

admidioAdmidio
On-prem
Enterprise Software / collaboration-groupware
admidiooss-projectEnterprise Softwareaka admidio/admidio

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/Admidio/admidio/security/advisories/GHSA-68pr-7prh-mpv4
github.com
https://github.com/Admidio/admidio/releases/tag/v5.0.9
github.com

Timeline

Published
May 7, 2026
Last Updated
May 7, 2026

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