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No exploitation reportedFix available

CVE-2026-15686

No exploitation reported by the sources we read.

  • Published2026-08-20
  • WeaknessCWE-253

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-08-2017:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-15686?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-15686?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Products declared by the CNA1 product

As zdi, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Adminerother versions: unknown
    Affected
    • = 5.4.2no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-08-20

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • adminerUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • adminerUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • adminerUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • adminerUbuntu:26.10all versions · no fixed version listed
  • adminerUbuntu:26.04:LTSall versions · no fixed version listed
  • adminerUbuntu:24.04:LTSall versions · no fixed version listed
  • adminerUbuntu:22.04:LTSall versions · no fixed version listed
  • adminerDebian:14all versions · fixed in 5.4.3+dfsg-1

2 more package ranges on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2026-08-20
Last Modified
2026-10-26
NVD status
Deferred
GitHub Advisory
GHSA-cmr6-cvgm-wxx6

Frequently asked questions

What is 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.

Is CVE-2026-15686 actively exploited?

Active exploitation of CVE-2026-15686 has not been confirmed. Its EPSS score was 1.1% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-15686?

CVE-2026-15686 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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