{"id":"CVE-2026-0396","title":"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 …","summary":"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 …","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","cwe":["CWE-80"],"vendor":"powerdns","product":"dnsdist","affected":["dnsdist >= 1.9.0, < 1.9.12","dnsdist >= 2.0.0, < 2.0.3"],"patched":["dnsdist 2.0.3"],"published":"2026-03-31","updated":"2026-07-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-0396","references":[{"url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html","label":"security@open-xchange.com"}],"tags":["nvd"],"epss":0.00136,"epssPercentile":0.03399,"ingestedAt":"2026-07-25T10:53:53.092Z","slug":"CVE-2026-0396","body":"## Overview\n\nAn 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.\n\n## Affected\n\n- `dnsdist >= 1.9.0, < 1.9.12`\n- `dnsdist >= 2.0.0, < 2.0.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `dnsdist 2.0.3`","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}