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CVE-2026-63771: adminer 0 to before 5.4.3
CVE-2026-63771. CVSS 3.1 base score 7.1 (HIGH, Vendor/CNA). EPSS 0.0043 (percentile 0.36254), scored 24-Oct-2026.
Affected technology
adminer · 0 to before 5.4.3
vrana
Description’s affected range: before 5.4.3
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
Attackers can exploit a misconfigured reverse proxy to downgrade SameSite protection and enable cross-origin authenticated requests, bypassing cookie security controls. Vendor/CNA’s CVSS 4.0 assessment (base score 6.0/10) rates confidentiality impact as high; integrity impact as low; availability impact as none.
- CWE
- CWE-113
- CCR priority
- 28.5 /100 (P4)
- CVSS 3.1
- 7.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N · Vendor/CNA
- EPSS
- 0.0043 · percentile 0.36254 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-63771.html