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Admidio CVE-2026-82655

| EUVDEUVD-2026-68241 HIGH
SQL Injection (CWE-89)
2026-08-30 VulnCheck GHSA-4rc8-26x9-r9p2
PHP SQLi Admidio
8.7
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.5 HIGH

Network-accessible, unauthenticated blind SQLi extracting credentials only; no integrity or availability impact described.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
CVE Published
Aug 31, 2026 - 10:50 cve.org
HIGH 8.7
Patch available
Aug 30, 2026 - 16:01 EUVD
Analysis Generated
Aug 30, 2026 - 15:03 vuln.today

DescriptionCVE.org

Admidio before 5.0.12 contains a blind SQL injection vulnerability in the relation_type_list parameter of lists_show.php that allows unauthenticated attackers to execute arbitrary SQL queries. Attackers can bypass authentication by providing a dummy UUID in role_list and inject SQL through relation_type_list to extract database contents including password hashes and user credentials.

AnalysisAI

Blind SQL injection in Admidio before 5.0.12 allows unauthenticated remote attackers to extract full database contents - including password hashes and user credentials - via the relation_type_list parameter of lists_show.php. Authentication is circumvented by supplying a dummy UUID in the role_list parameter, requiring no valid session or credentials against a default installation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation The `lists_show.php` endpoint must be network-accessible (typical for internet-facing Admidio deployments). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N) scores 8.7 and accurately reflects the exploitability: network-reachable, no complexity barrier, no authentication, and high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to Admidio 5.0.12 or later, which addresses this vulnerability per the vendor security advisory at https://github.com/Admidio/admidio/security/advisories/GHSA-p5cp-mhvx-w392. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-82655 vulnerability details – vuln.today
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