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    CVE-2026-15686

    Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adminer. Authentication is required to exploit this vulnerability. The specific flaw exists within the multi_query method. The issue results from an incorrect check of a function return value. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-28201.

    Published:Aug 20, 2026
    Last Modified:Aug 21, 2026
    EPS:Aug 20, 2026
    EPSS Score:0.01085
    CVSS Score:7.2

    Affected Products

    Vendor
    Adminer
    Product
    Adminer

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-56703 (CVSS 8.6) — Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO…
    CVE-2026-56702 (CVSS 7.1) — Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the AdminerFileUpload plugi…
    CVE-2026-34968 (CVSS 7.2) — Adminer before 5.4.3 contains an arbitrary file deletion vulnerability in SQLite mode where the database-list …
    CVE-2026-34967 (CVSS 5.3) — Adminer versions 5.3.0 through 5.4.2 with the sql-log plugin enabled contain an arbitrary file write vulnerabi…
    CVE-2026-34964 (CVSS 6.9) — Adminer before 5.5.0 contains a server-side request forgery vulnerability in the login form's server field val…
    CVE-2026-34959 (CVSS 5.3) — Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $_SERVER["REQUEST_URI"] w…
    CVE-2026-16434 (CVSS 2.3) — Adminer 4.6.0 through 5.5.0 (fixed in 5.5.1) contains an incomplete fix for a prior X-Forwarded-Prefix vulnera…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High