What is CVE-2026-25892?

CVE-2026-25892 is a high-severity vulnerability in Adminer, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-02-09.

How severe is CVE-2026-25892?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Adminer

CVE-2026-25892

Adminer is open-source database management software. Adminer v5.4.1 and earlier has a version check mechanism where adminer.org sends signed version info via JavaScript postMessage, which the browser then POSTs to ?script=version. This end…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.016 (72.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Adminer
Vrana Adminer — versions >= 4.6.2, < 5.4.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-25892?: CVE-2026-25892 is a high-severity vulnerability in Adminer, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-02-09.
How severe is CVE-2026-25892?: High severity. CVSS v3 base score is 7.5 out of 10.