Name: CVE-2026-0396: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Creator: Rapid7
Published: 2026-03-31T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-0396, CWE-80, CVSS 4.3, EPSS 0.00136

An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.

CVSS Details

CVSS 3.1 Base Score: 4.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade dnsdist	Apr 24, 2026	Mar 31, 2026
Debian	—	Upgrade dnsdist	Jul 23, 2026	Jul 23, 2026
Freebsd	—	Upgrade dnsdist	Apr 14, 2026	Apr 10, 2026
Suse	—	Upgrade dnsdist	Apr 28, 2026	Apr 24, 2026

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CVSS Details

Covered by Rapid7

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