CVE-2026-48554 Nagios Core / XI Authenticated RCE via Unfiltered NOTIFICATION-Family Macro Substitution

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the comdata parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

CVE-2026-48554

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the comdata parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

EUVD-2026-57346

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the comdata parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

CVE-2026-48554

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the comdata parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

CVE-2026-48554 Nagios Core / XI Authenticated RCE via Unfiltered NOTIFICATION-Family Macro Substitution

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the comdata parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

CVE-2026-48554 Nagios Core / XI Authenticated RCE via Unfiltered NOTIFICATION-Family Macro Substitution

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the comdata parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

CVE-2026-48554

CVE-2026-48554 affects Nagios Core (before 4.5.14) and Nagios XI (before 2026R1.7). An authenticated remote code execution flaw exists via unfiltered NOTIFICATION-family macro substitution in the com_data parameter. If a notification command uses $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a...

CVE-2026-48553 Nagios Core / XI Authenticated RCE via Custom-Variable Macro Injection

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor NRDP. When a custom variable defined on a host, service, or contact is referenced in a shell-executed command...

CVE-2026-48553

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor NRDP. When a custom variable defined on a host, service, or contact is referenced in a shell-executed command...

CVE-2026-48553 Nagios Core / XI Authenticated RCE via Custom-Variable Macro Injection

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor NRDP. When a custom variable defined on a host, service, or contact is referenced in a shell-executed command...

CVE-2026-48553

Nagios Core <4.5.13 and Nagios XI

CVE-2026-48553 Nagios Core / XI Authenticated RCE via Custom-Variable Macro Injection

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor NRDP. When a custom variable defined on a host, service, or contact is referenced in a shell-executed command...

EUVD-2026-57345

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor NRDP. When a custom variable defined on a host, service, or contact is referenced in a shell-executed command...

CVE-2026-48553

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor NRDP. When a custom variable defined on a host, service, or contact is referenced in a shell-executed command...

CVE-2026-48552 Nagios Core / XI DOM-based XSS via jsonquery.js

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browse...

CVE-2026-48552

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browse...

CVE-2026-48552

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browse...

CVE-2026-48552

Affected software : Nagios Core prior to 4.5.14 and Nagios XI prior to 2026R1.7. Component : jsonquery.js. Root cause : unencoded JSON string values reflected from stored fields are injected into the DOM without sanitization. Impact : DOM-based cross-site scripting allowing arbitrary JavaScript e...

CVE-2026-48552 Nagios Core / XI DOM-based XSS via jsonquery.js

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browse...

EUVD-2026-57327

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browse...