{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54588", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T19:15:27.345Z", "datePublished": "2026-06-23T22:09:27.268Z", "dateUpdated": "2026-06-24T12:20:59.442Z"}, "containers": {"cna": {"title": "Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.", "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "lang": "en", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-601", "lang": "en", "description": "CWE-601: URL Redirection to Untrusted Site ('Open Redirect')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/poweradmin/poweradmin/security/advisories/GHSA-3735-5339-xfwx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/poweradmin/poweradmin/security/advisories/GHSA-3735-5339-xfwx"}, {"name": "https://github.com/poweradmin/poweradmin/releases/tag/v4.2.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/poweradmin/poweradmin/releases/tag/v4.2.4"}, {"name": "https://github.com/poweradmin/poweradmin/releases/tag/v4.3.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/poweradmin/poweradmin/releases/tag/v4.3.3"}], "affected": [{"vendor": "poweradmin", "product": "poweradmin", "versions": [{"version": "< 4.2.4", "status": "affected"}, {"version": ">= 4.3.0, < 4.3.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-23T22:09:27.268Z"}, "descriptions": [{"lang": "en", "value": "Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled `HTTP_HOST` request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An unauthenticated attacker can poison the `redirect_uri` sent to the Identity Provider, causing the IdP to redirect the victim's authorization code to an attacker-controlled server - resulting in full account takeover with no credentials required. Versions 4.2.4 and 4.3.3 patch the issue."}], "source": {"advisory": "GHSA-3735-5339-xfwx", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/poweradmin/poweradmin/security/advisories/GHSA-3735-5339-xfwx", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-24T12:20:38.664321Z", "id": "CVE-2026-54588", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-24T12:20:59.442Z"}}]}}

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