EUVD-2026-65201
GHSA-j4fh-9p52-f987
Severity 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 but requires high privileges; scope changes as VACUUM INTO crosses from Adminer's application layer to OS filesystem execution.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.
AnalysisAI
Remote code execution in Adminer before 5.4.3 allows authenticated attackers connected to a SQLite database to write arbitrary PHP files to server-accessible paths and execute OS commands. The vulnerability exploits an incomplete command denylist: while Adminer restricts the ATTACH statement to limit direct file access, the VACUUM INTO command - which writes the current SQLite database to an arbitrary file path - was not blocked. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires valid Adminer credentials with sufficient database privileges to execute DDL and VACUUM statements against a SQLite database (CVSS PR:H). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.6 (AV:N/AC:L/AT:N/PR:H/UI:N) accurately reflects high post-authentication impact with low exploitation complexity, but the PR:H requirement materially limits the attack surface compared to unauthenticated RCEs. … 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 Adminer 5.4.3 or later, which patches the vulnerability by blocking the VACUUM INTO command in SQLite query handling per vendor advisory GHSA-gmx3-g29w-77wf. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Adminer deployments and identify instances using SQLite databases; immediately restrict who holds database credentials and consider taking at-risk instances offline pending patch availability. …
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External POC / Exploit Code
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