P4Verified

CVE-2026-56704: adminer 0 to before 5.4.3

CVE-2026-56704. CVSS 3.1 base score 6.1 (MEDIUM, Vendor/CNA). EPSS 0.00337 (percentile 0.25157), scored 11-Oct-2026.

Affected technology

adminer · 0 to before 5.4.3
vrana

Description’s affected range: before 5.4.3 inserts unsanitized database server version strings into script tags with valid CSP nonces without proper validation

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality and integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 12-Oct-2026 16:55 UTC

CWE: CWE-79
CCR priority: 24.5 /100 (P4)
CVSS 3.1: 6.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.00337 · percentile 0.25157 · 2026-10-11
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-12 16:54:24.294989+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-56704.html