Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Overview Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' through the OnmsJexlUberspect.getMethod method in the Measurements REST API. An attacker can load arbitrary Java classes on the server by submitting a...

WordPress Eventin plugin < 4.1.20 - Contributor+ Customer PII Disclosure via REST API vulnerability

Contributor+ Customer PII Disclosure via REST API vulnerability discovered by Muni Nitish Kumar Yaddala in WordPress Plugin WP Event SOlution versions 4.1.20...

CVE-2026-19135

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

CVE-2026-19182

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...

UBUNTU-CVE-2026-19135

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

CVE-2026-19182

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...

CVE-2026-19182 OpenNMS v2 Alarm REST API inverted authorization check lets ROLE_REST users acknowledge alarms as any user and bypass read-only

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...

CVE-2026-19182 OpenNMS v2 Alarm REST API inverted authorization check lets ROLE_REST users acknowledge alarms as any user and bypass read-only

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...

EUVD-2026-57719

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...

CVE-2026-19182

Summary of vulnerability details (CVE-2026-19182) : OpenNMS Meridian and Horizon contain an inverted authorization check in the v2 Alarm REST API. A low-privileged authenticated user (ROLE_REST) can acknowledge, escalate, or clear alarms recorded as an arbitrary username, and if also granted ROLE...

CVE-2026-19135

Affected software: OpenNMS Meridian and Horizon. Vulnerability: A JEXL expression sandbox bypass exists in multiple versions, allowing a low-privileged authenticated user to submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the s...

CVE-2026-19135 OpenNMS JEXL sandbox bypass in Measurements REST API allows ROLE_USER to load arbitrary classes

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

CVE-2026-19135

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

CVE-2026-19135 OpenNMS JEXL sandbox bypass in Measurements REST API allows ROLE_USER to load arbitrary classes

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

CVE-2026-19135 OpenNMS JEXL sandbox bypass in Measurements REST API allows ROLE_USER to load arbitrary classes

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

EUVD-2026-57718

A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...

PT-2026-71555

Unauthenticated Sensitive Data Exposure in REST API Log = 1.7.1 versions...

CVE-2026-19182: Incorrect Authorization

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...

PT-2026-71401

The Link Factory WordPress plugin is a backdoor. Distributed as a "homepage sentence publisher", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key except for the health check...

PT-2026-71387

An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLE REST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLE READONLY, to modify alarm state despite the...