CVE-2026-56703
CVSS v3
7.2
HIGH
EPSS Score
1.1 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2026-08-25
- Last Modified
- 2026-08-25
Frequently asked questions
What is CVE-2026-56703?
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.
Is CVE-2026-56703 actively exploited?
Active exploitation of CVE-2026-56703 has not been confirmed. The EPSS score is 1.1%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-56703?
CVE-2026-56703 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string 3.1.
Is CVE-2026-56703 affecting your environment?
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