CVE-2026-124947

Incorrect boundary conditions in the Graphics component

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124946

Invalid pointer in the JavaScript Engine: JIT component

Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 3.4 Low EPSS < 1% KEV · Not listed

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CVE-2026-124945

Invalid pointer in the Layout: Text and Fonts component

Invalid pointer in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 3.4 Low EPSS < 1% KEV · Not listed

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CVE-2026-124944

Information disclosure in the Marionette component

Information disclosure in the Marionette component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

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CVE-2026-124943

Use-after-free in the Layout component

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124936

Spoofing issue in the Address Bar component

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 3.4 Low EPSS < 1% KEV · Not listed

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CVE-2026-124928

Mitigation bypass in the SVG component

Mitigation bypass in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

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CVE-2026-124925

Information disclosure in the Layout component

Information disclosure in the Layout component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

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CVE-2026-124923

Sandbox escape in the Agent component

Sandbox escape in the Agent component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

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CVE-2026-124921

Sandbox escape in the Graphics: WebGPU component

Sandbox escape in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

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CVE-2026-124920

Uninitialized memory in the Graphics: WebGPU component

Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

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CVE-2026-124908

Use-after-free in the CSS Parsing and Computation component

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124904

Use-after-free in the SVG component

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124900

Sandbox escape due to use-after-free in the DOM: Service Workers component

Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed

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CVE-2026-124878

Use-after-free in the Layout: Positioned component

Use-after-free in the Layout: Positioned component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124871

Use-after-free in the DOM: HTML Parser component

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124867

Use-after-free in the DOM: Editor component

Use-after-free in the DOM: Editor component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-124852

Incorrect boundary conditions in the Graphics: CanvasWebGL component

Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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CVE-2026-123814

pyLoad WindowsPhoneNotify addon: non-admin SETTINGS user triggers SSRF via unguarded http.client notification host

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev102, an authenticated non-admin user with the SETTINGS permission can configure WindowsPhoneNotify through /json/save_config by setting pushurl, pushid, and enabled. WindowsPhoneNotify.send in src/pyload/plugins/addons/WindowsPhoneNotify.py then uses http.client.HTTPConnection without pyLoad's pycurl destination validation. When a download completes, the global notification event causes a blind POST from the pyLoad server to the attacker-selected internal host, port, and path. The response is not returned, but the request can probe internal services, reach cloud metadata endpoints, or trigger state-changing internal HTTP endpoints. This issue is fixed in version 0.5.0b3.dev102.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed

Vendors

Pyload

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Pyload

CVE-2026-123809

Dynatrace MCP Server: Workflow template injection via create_workflow_for_notification

Dynatrace MCP Server is an MCP server for Dynatrace Observability. Prior to 2.0.0, the create_workflow_for_notification tool inserts the caller-controlled teamName, problemType, and channel values into a Dynatrace workflow without neutralizing Jinja2 expressions. A caller can place template expressions such as event() in those values, and the workflow engine evaluates them when the persistent workflow runs. When the workflow has a valid Slack connector, the resulting Slack action can disclose event or tenant metadata to an attacker-selected channel; the shipped placeholder connection does not deliver messages by itself. The workflow remains in the tenant after the MCP session and credentials are gone. The isPrivate option defaults to false, making the created workflow tenant-visible unless the caller changes it. Exploitation requires either an MCP prompt-injection path or an operator approving a prompt that displays the template fragment literally. This issue is fixed in version 2.0.0.

CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed

Vendors

Dynatrace-oss

Products

Dynatrace-mcp