CVE-2026-54134

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, OctoPrint's custom Tornado upload handler and Flask with Werkzeug parse request parameters differently, allowing an attacker with FILEUPLOAD permission to inject reserved internal upload fields...

CVE-2026-54134 OctoPrint: File exfiltration possible via query parameters on upload endpoints

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, OctoPrint's custom Tornado upload handler and Flask with Werkzeug parse request parameters differently, allowing an attacker with FILEUPLOAD permission to inject reserved internal upload fields...

CVE-2026-54134 OctoPrint: File exfiltration possible via query parameters on upload endpoints

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, OctoPrint's custom Tornado upload handler and Flask with Werkzeug parse request parameters differently, allowing an attacker with FILEUPLOAD permission to inject reserved internal upload fields...

EUVD-2026-64043

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

CVE-2026-35163

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

CVE-2026-35163

OctoPrint (a web interface for controlling 3D printers) is affected by a cross-site scripting (XSS) vulnerability in its Suppressed Command notification popups . The root cause is that printer-controlled payload.command and payload.message values in terminal.js are rendered via PNotify without HT...

CVE-2026-35163 OctoPrint: XSS in Suppressed Command Notifications

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

CVE-2026-35163 OctoPrint: XSS in Suppressed Command Notifications

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

CVE-2026-35163 OctoPrint: XSS in Suppressed Command Notifications

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

CVE-2026-54134: External Control of File Name or Path

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, OctoPrint's custom Tornado upload handler and Flask with Werkzeug parse request parameters differently, allowing an attacker with FILEUPLOAD permission to inject reserved internal upload fields...

CVE-2026-35163: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

OctoPrint Installation Page - Exposure Detection

Checks for the presence of a OctoPrint Installer Page. !/usr/bin/env python3 -- coding: utf-8 -- """Checks for the presence of a OctoPrint Installer Page.""" from kittysploit import from lib.protocols.http.httpclient import Httpclient class ModuleScanner, Httpclient: info = 'name': 'OctoPrint...

PYSEC-2026-2687 OctoPrint has possible file exfiltration via query parameters on upload endpoints

Impact OctoPrint versions up until and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 contain a vulnerability that allows an attacker with the FILEUPLOAD permission to exfiltrate files from the host that OctoPrint has read access to, by moving them into the upload folder where they then can be...

OctoPrint has XSS in its Suppressed Command Notifications

ImpactOctoPrint versions up to and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Suppressed Command notifications popups generated by the printer.An attacker who successfully convinces a victim to prin...

PYSEC-2026-2688 OctoPrint has XSS in its Suppressed Command Notifications

Impact OctoPrint versions up to and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Suppressed Command notifications popups generated by the printer. An attacker who successfully convinces a victim to...

PT-2026-59334

Impact OctoPrint versions up to and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Suppressed Command notifications popups generated by the printer. An attacker who successfully convinces a victim to...

OctoPrint has Timing Side-Channel Vulnerability in API Key Authentication

ImpactOctoPrint versions up to and including 1.11.5 are affected by a theoretical timing attack vulnerability that allows API key extraction over the network.Due to using character based comparison that short-circuits on the first mismatched character during API key validation, rather than a...

PYSEC-2026-1716 OctoPrint has Timing Side-Channel Vulnerability in API Key Authentication

Impact OctoPrint versions up to and including 1.11.5 are affected by a theoretical timing attack vulnerability that allows API key extraction over the network. Due to using character based comparison that short-circuits on the first mismatched character during API key validation, rather than a...

OctoPrint vulnerable to XSS in Action Commands Notification and Prompt

ImpactOctoPrint versions up to and including 1.11.3 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Action Command notification and prompt popups generated by the printer.An attacker who successfully convinces a victim to print a specially crafted file...

PYSEC-2026-1714 OctoPrint vulnerable to XSS in Action Commands Notification and Prompt

Impact OctoPrint versions up to and including 1.11.3 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Action Command notification and prompt popups generated by the printer. An attacker who successfully convinces a victim to print a specially crafted fil...