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...

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...

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...

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...

PYSEC-2026-1712 OctoPrint is Vulnerable to RCE Attacks via Unsanitized Filename in File Upload

Impact OctoPrint versions up until and including 1.11.2 contain a vulnerability that allows an authenticated attacker to upload a file under a specially crafted filename that will allow arbitrary command execution if said filename becomes included in a command defined in a system event handler an...

PYSEC-2026-1713 OctoPrint Vulnerable to Denial of Service through malformed HTTP request in OctoPrint

Impact OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. This could be used to effectively run ...

PYSEC-2026-1715 OctoPrint vulnerable to possible file extraction via upload endpoints

Impact OctoPrint versions up until and including 1.11.1 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 downloaded from. The primary ris...

PYSEC-2026-887 OctoPrint does not have rate limiting on the login page

OctoPrint 1.7.3 and prior does not have rate limiting on the login page, making it possible for attackers to attempt brute force attacks. The severity of this issue is limited by OctoPrint normally running in a restricted LAN. The devel and maintenance branches of the repository have a fix that...

GHSA-J4H9-PM27-4RFW 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...

GHSA-P6QX-GHXM-389H 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-2026-51635

Name of the Vulnerable Software and Affected Versions OctoPrint versions prior to 1.11.8 OctoPrint versions 2.0.0rc1 through 2.0.0rc2 Description An issue exists where an attacker with FILE UPLOAD permissions can exfiltrate files from the host that OctoPrint has read access to by moving them into...

PT-2026-51613

Name of the Vulnerable Software and Affected Versions OctoPrint versions prior to 1.11.8 OctoPrint versions 2.0.0rc1 through 2.0.0rc2 Description An issue allows the injection of arbitrary HTML and JavaScript into Suppressed Command notification popups generated by the printer. An attacker could...

📄 OctoPrint 1.11.2 Remote Code Execution

OctoPrint versions 1.11.2 and below suffer from a remote code execution vulnerability via a malformed filename being used in an authenticated file upload. Exploit Title: OctoPrint 1.11.2 - File Upload Date: 2025-09-28 Exploit Author: prabhatverma.addada Vendor Homepage: https://octoprint.org...

OctoPrint 1.11.2 - File Upload

Exploit Title: OctoPrint 1.11.2 - File Upload Date: 2025-09-28 Exploit Author: prabhatverma.addada Vendor Homepage: https://octoprint.org Software Link: https://github.com/OctoPrint/OctoPrint Affected Versions: = 1.11.2 Patched Versions: 1.11.3 CVE: CVE-2025-58180 CVSS per advisory: 7.5 Platform:...

Timing Attack

OctoPrint is vulnerable to Timing Attack. The vulnerability is due to character-by-character API key comparison with early termination, which allows a network-based attacker to infer valid API keys by measuring response times and guessing the key one character at a time...

CVE-2026-23892

OctoPrint provides a web interface for controlling consumer 3D printers. 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 firs...

CVE-2026-23892

OctoPrint provides a web interface for controlling consumer 3D printers. 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 firs...

CVE-2026-23892

OctoPrint provides a web interface for controlling consumer 3D printers. 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 firs...

EUVD-2026-4775

OctoPrint provides a web interface for controlling consumer 3D printers. 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 firs...

CVE-2026-23892 OctoPrint has Timing Side-Channel Vulnerability in API Key Authentication

OctoPrint provides a web interface for controlling consumer 3D printers. 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 firs...