EUVD-2026-58746Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Network-reachable endpoint but PR:H required per CVSS 4.0 source vector; full CIA impact on the vulnerable system's database with no scope change.
Primary rating from Vendor (github).
CVSS VectorVendor: github
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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
Lifecycle Timeline
2DescriptionCVE.org
Emlog is an open source website building system. In 2.6.20 and earlier, there is a SQL injection vulnerability in the queryDatabase function in ai.php.
AnalysisAI
SQL injection in Emlog 2.6.20 and earlier exposes the database to full compromise through the queryDatabase function in ai.php, a component of the platform's AI feature set. The CVSS 4.0 vector (PR:H) confirms exploitation requires high-privilege authenticated access, yet the resulting impact is rated High across confidentiality, integrity, and availability of the vulnerable system. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid high-privilege account on the target Emlog instance, consistent with the CVSS 4.0 PR:H metric. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 8.6 reflects high CIA impact, but the PR:H metric is a meaningful constraint: exploitation is limited to accounts with elevated privileges on the Emlog installation, substantially narrowing the attacker pool compared to an unauthenticated SQLi. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who holds or has stolen high-privilege Emlog credentials navigates to the ai.php endpoint and submits a crafted payload in a parameter passed to queryDatabase, injecting malicious SQL to enumerate, extract, or modify database contents - including credential hashes for all users. No public POC has been identified, but the vulnerability class (CWE-89 in a PHP application) is well-understood and straightforward to exploit once access is obtained. |
| Remediation | Upgrade Emlog to a version later than 2.6.20 as the primary remediation; the exact patched release version is not independently confirmed from the available data - consult the vendor advisory at https://github.com/emlog/emlog/security/advisories/GHSA-jffg-rpvp-2qx7 for the specific fixed version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Emlog instances running version 2.6.20 or earlier and restrict high-privilege access to the AI feature component; audit database logs for suspicious queries. …
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External POC / Exploit Code
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