CVE-2026-56150

MODE C: CVE-2026-56150 affects Elastic Fleet Server via Allocation of Resources Without Limits or Throttling (upload endpoint memory exhaustion). Multiple connected sources describe the vulnerability in Fleet Server's internal API packages and uploader, enabling an attacker to exhaust RAM and pot...

EUVD-2026-41077

Allocation of Resources Without Limits or Throttling CWE-770 in Fleet Server can lead to a denial of service via Excessive Allocation CAPEC-130. An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server...

CVE-2026-56150

Allocation of Resources Without Limits or Throttling CWE-770 in Fleet Server can lead to a denial of service via Excessive Allocation CAPEC-130. An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server...

CVE-2026-56150 Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service

Allocation of Resources Without Limits or Throttling CWE-770 in Fleet Server can lead to a denial of service via Excessive Allocation CAPEC-130. An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server...

CVE-2026-53909

MCO does not correctly validate types of uploaded files. File upload validation functionality relies only on client-side checks, which can be bypassed. An authorized, low-privileged attacker can upload files with arbitrary types to the server. Because vendor contact attempts were unsuccessful, th...

CVE-2026-53907

MCO is vulnerable to Stored Cross‑Site Scripting XSS via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened. Because vendor...

CVE-2026-53906

MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related to data export and upload. Improper validation of the filename parameter allows writing files to arbitrary locations as well as indirect disclosure of absolute server paths through error messages. Becau...

EUVD-2026-40955

MCO does not correctly validate types of uploaded files. File upload validation functionality relies only on client-side checks, which can be bypassed. An authorized, low-privileged attacker can upload files with arbitrary types to the server. Because vendor contact attempts were unsuccessful, th...

CVE-2026-53909 Arbitrary File Upload in MCO

MCO does not correctly validate types of uploaded files. File upload validation functionality relies only on client-side checks, which can be bypassed. An authorized, low-privileged attacker can upload files with arbitrary types to the server. Because vendor contact attempts were unsuccessful, th...

CVE-2026-53909

CVE-2026-53909 affects MCO where file upload validation relies solely on client-side checks, allowing an authorized low-priv attacker to upload arbitrary file types to the server. The vulnerability has been confirmed only in version 25.3.3.1, though other versions may also be affected. The docume...

CVE-2026-53909

MCO does not correctly validate types of uploaded files. File upload validation functionality relies only on client-side checks, which can be bypassed. An authorized, low-privileged attacker can upload files with arbitrary types to the server. Because vendor contact attempts were unsuccessful, th...

CVE-2026-53907 Stored Cross‑Site Scripting in MCO

MCO is vulnerable to Stored Cross‑Site Scripting XSS via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened. Because vendor...

CVE-2026-53907

MCO is vulnerable to Stored Cross‑Site Scripting XSS via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened. Because vendor...

CVE-2026-53907

MCO is vulnerable to a Stored Cross‑Site Scripting (XSS) flaw in the application logo upload feature. A user who can change the logo can upload a crafted SVG containing JavaScript that executes when the logo renders, enabling code execution in the origin context. The vulnerability is confirmed fo...

CVE-2026-53907 Stored Cross‑Site Scripting in MCO

MCO is vulnerable to Stored Cross‑Site Scripting XSS via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened. Because vendor...

EUVD-2026-40953

MCO is vulnerable to Stored Cross‑Site Scripting XSS via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened. Because vendor...

CVE-2026-53906 Path Disclosure and Path Traversal in MCO

MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related to data export and upload. Improper validation of the filename parameter allows writing files to arbitrary locations as well as indirect disclosure of absolute server paths through error messages. Becau...

CVE-2026-53906

CVE-2026-53906 affects MCO’s file handling for data export and upload. The underlying issue is improper validation of the filename parameter, allowing path traversal and the potential to write files to arbitrary locations, along with indirect disclosure of absolute server paths via error messages...

EUVD-2026-40952

MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related to data export and upload. Improper validation of the filename parameter allows writing files to arbitrary locations as well as indirect disclosure of absolute server paths through error messages. Becau...

CVE-2026-13323

In Open VSX Registry before 1.0.2, the /vscode/unpkg/ endpoint serves user-supplied HTML files with Content-Type: text/html and without a Content-Security-Policy or Content-Disposition: attachment response header. An unauthenticated attacker can register a publisher account, upload a VSIX...