Vulnerability in Adminer
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Adminer — versions 5.4.2
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-478/ (x_research-advisory)
- github.com/vrana/adminer/security/advisories/GHSA-3582-q6xq-5vf7 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-15686?
- CVE-2026-15686 is a high-severity vulnerability in Adminer, classified under CWE-253. CVSS score: 7.2/10. Published 2026-08-20.
- How severe is CVE-2026-15686?
- High severity. CVSS v3 base score is 7.2 out of 10.