HomeCVE Intelligence › CVE-2026-63771
CVSS 7.8 HIGH 🔴 ACTIVELY EXPLOITED Security Vulnerability

CVE-2026-63771: Adminer before 5.4.3 contains a cookie injection vulnerability that allows attackers to m…

Adminer before 5.4.3 contains a cookie injection vulnerability that allows attackers to manipulate cookie attributes by injecting arbitrary values through the unsanitized X-Forwarded-Prefix HTTP header used in Set-Cooki…

7.8CVSS Score
HIGHSeverity
NOCISA KEV
0.2%EPSS Score
Security VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-63771
VendorUnknown Vendor
Affected ProductUnknown Product
Vulnerability TypeSecurity Vulnerability
CVSS Score7.8 (HIGH)
EPSS Score0.2% probability of exploitation in the next 30 days
Actively Exploited✅ Yes
Patch StatusPending Vendor Disclosure
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via sentinel_apex)

🔬 Technical Analysis

Adminer before 5.4.3 contains a cookie injection vulnerability that allows attackers to manipulate cookie attributes by injecting arbitrary values through the unsanitized X-Forwarded-Prefix HTTP header used in Set-Cookie path attributes. Attackers can exploit a misconfigured reve... [Full analysis available on Pro]

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