EUVD-2026-38633

Poweradmin has Host Header Injection in OIDC redirecturi, SAML ACS/SLO URL, and Logout Redirect Construction...

GHSA-3735-5339-XFWX Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Summary Poweradmin v4.3.2 uses the attacker-controlled HTTPHOST 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 redirecturi sent to the Identity Provider,...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the authentication process when handling OIDC subject identifiers due to the use of an accent-insensitive collation in the database. An attacker can gain unauthorized access to another user's account by...

GHSA-CMWH-G2H8-C222 Poweradmin: OIDC `sub` collation bypass in Poweradmin leading to account takeover

Preface Poweradmin maps OIDC identities into local users through oidcuserlinks.oidcsubject plus providerid. In the MySQL schema, the OIDC link table explicitly uses utf8mb4unicodeci, which is case-insensitive and accent-insensitive. OIDC sub is a stable external subject identifier and should be...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through improper validation of ownership in the editRecord process. An attacker can modify or overwrite DNS records in zones they do not own by manipulating the rid and zid parameters in ...

GHSA-RM67-G9CH-VXFF Poweradmin: Broken access control (IDOR): any zone owner can modify DNS records in zones they do not own

Affected software - Product: Poweradmin web front-end for PowerDNS - Version tested: master, commit 7f28c3a97 also reachable in the 4.x release line — the record-edit code is the same - Component: record editing web UI - Vulnerability type: Broken Access Control / Insecure Direct Object Reference...

GHSA-H4HF-V6W5-897X Poweradmin: API user-update endpoint leads to a non-admin reset any user's password and take over the superuser account

Summary The REST API user-update endpoint PUT/PATCH /api/v2/users/id and the V1 equivalent does not enforce two authorization rules that the web interface enforces. A user who holds the usereditothers permission but is not a superuser can: 1. edit user accounts that belong to a superuser, and 2...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the updateUser process of the API endpoint, which fails to enforce proper authorization checks for editing superuser accounts and changing user passwords. An attacker can gain full administrative access by sendi...

CVE-2026-54588

A flaw was found in Poweradmin, a web-based DNS administration tool. An unauthenticated attacker can exploit this vulnerability by manipulating the HTTPHOST request header. This manipulation allows the attacker to poison the redirecturi used in the OpenID Connect OIDC, Security Assertion Markup...

CVE-2026-47693

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection Formula Injection in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing...

CVE-2026-54588

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 HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via the construction of callback URLs in OIDC, SAML, and logout authentication flows using the attacker-controlled HTTPHOST header. An attacker can intercept authorization codes or session tokens by manipulating the...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

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 HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-54588

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 HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

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 HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-47693 Poweradmin: CSV Injection in log export endpoints allows formula execution in spreadsheet applications

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection Formula Injection in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing...

CVE-2026-47693 Poweradmin: CSV Injection in log export endpoints allows formula execution in spreadsheet applications

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection Formula Injection in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing...

CVE-2026-47693

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 are vulnerable to CSV Injection Formula Injection in its log export functionality. User-controlled data — specifically the username field — is written to exported CSV files without sanitizing...

CVE-2026-47693

CVE-2026-47693 details (Poweradmin) : Poweradmin, a web-based DNS admin tool for PowerDNS, is vulnerable to CSV Injection in its log export endpoints. User-supplied data (notably the username) is written to exported CSVs without sanitizing formula trigger characters (=, +, -, @). When an admin ex...

PT-2026-51607

Name of the Vulnerable Software and Affected Versions Poweradmin versions prior to 4.2.4 Poweradmin versions prior to 4.3.3 Description Poweradmin is a web-based DNS administration tool for PowerDNS server. The software uses the attacker-controlled HTTP HOST request header as the authoritative...