CVE-2026-56703: high-severity vulnerability in vrana adminer
Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 1.2%
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.
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
Affected products
vrana · adminerRelated CVEs — vrana adminer
In the same product, most dangerous first.
CVE-2021-21311HIGHSSRF in adminerEPSS 98.5%KEVCVE-2021-29625HIGHXSS in doc_linkEPSS 9.6%CVE-2026-25892HIGHAdminer has an Unauthenticated Persistent DoS via Array Injection in ?script=version EndpointEPSS 1.7%CVE-2026-56705CRITICALAdminer before 5.4.3 Remote Code Execution via MSSQL PDO DSN InjectionEPSS 0.9%CVE-2026-109347HIGHAdminer before 6.1.1 RCE via UTF-8 BOM SQLite ATTACH BypassEPSS 0.9%CVE-2026-56702HIGHAdminer before 5.4.3 Unrestricted File Upload via AdminerFileUploadEPSS 0.6%