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Vulnerability record · CVE-2024-32977 · published 14 May 2024

CVE-2024-32977: Octoprint authentication bypass by spoofing vulnerability

Octoprint · Octoprint

OctoPrint provides a web interface for controlling consumer 3D printers. OctoPrint versions up until and including 1.10.0 contain a vulnerability that allows an unauthenticated attacker to completely bypass the authentication if the `autologinLocal` option is enabled within `config.yaml`, even if they come from networks that are not configured as `localNetworks`, spoofing their IP via the `X-Forwarded-For` header. If autologin is not enabled, this vulnerability does not have any impact. The vulnerability has been patched in version 1.10.1. Until the patch has been applied, OctoPrint administrators who have autologin enabled on their instances should disable it and/or to make the instance inaccessible from potentially hostile networks like the internet.

9.4 CVSS 3.1 Critical EPSS 0.90% · top 42.0% CWE-290 · Authentication bypass by spoofing
9.4CVSS 3.1 base score
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

OctoPrint provides a web interface for controlling consumer 3D printers. OctoPrint versions up until and including 1.10.0 contain a vulnerability that allows an unauthenticated attacker to completely bypass the authentication if the `autologinLocal` option is enabled within `config.yaml`, even if they come from networks that are not configured as `localNetworks`, spoofing their IP via the `X-Forwarded-For` header. If autologin is not enabled, this vulnerability does not have any impact. The vulnerability has been patched in version 1.10.1. Until the patch has been applied, OctoPrint administrators who have autologin enabled on their instances should disable it and/or to make the instance inaccessible from potentially hostile networks like the internet.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OctoPrint/OctoPrint/commit/5afbec8d23508edc25b0f1bdef1620580136add4 Patch
https://github.com/OctoPrint/OctoPrint/security/advisories/GHSA-2vjq-hg5w-5gm7 ExploitVendor Advisory
https://github.com/OctoPrint/OctoPrint/commit/5afbec8d23508edc25b0f1bdef1620580136add4 Patch
https://github.com/OctoPrint/OctoPrint/security/advisories/GHSA-2vjq-hg5w-5gm7 ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-32977), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.