OctoPrint is a web interface for 3D printers. OctoPrint versions up until and including 1.9.2 contain a vulnerability that allows malicious admins to configure a specially crafted GCODE script that will allow code execution during rendering of that script. An attacker might use this to extract data managed by OctoPrint, or manipulate data managed by OctoPrint, as well as execute arbitrary commands with the rights of the OctoPrint process on the server system. OctoPrint versions from 1.9.3 onward have been patched. Administrators of OctoPrint instances are advised to make sure they can trust all other administrators on their instance and to also not blindly configure arbitrary GCODE scripts found online or provided to them by third parties.
CVE-2023-41047
This medium-severity CVE scores 6.2 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 66% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.2(medium)
- EPSS
- 43.6%
- KEV
- Not listed
Published
October 9, 2023
Last Modified
June 17, 2026
References (6)
- security-advisories@githubhttps://github.com/OctoPrint/OctoPrint/commit/d0072cff894509c77e243d6562245ad3079e17db
- security-advisories@githubhttps://github.com/OctoPrint/OctoPrint/releases/tag/1.9.3
- security-advisories@githubhttps://github.com/OctoPrint/OctoPrint/security/advisories/GHSA-fwfg-vprh-97ph
- af854a3a-2127-422b-91ae-364da2661108https://github.com/OctoPrint/OctoPrint/commit/d0072cff894509c77e243d6562245ad3079e17db
- af854a3a-2127-422b-91ae-364da2661108https://github.com/OctoPrint/OctoPrint/releases/tag/1.9.3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/OctoPrint/OctoPrint/security/advisories/GHSA-fwfg-vprh-97ph
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| octoprint | 1.3.11 ... 1.9.2 (58 versions) | 1.9.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 107 total refreshes for this CVE.
- 2026-07-22 14:06 UTCEPSS rescore
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- 2026-06-24 06:24 UTCNVD updateCVSS v3 → 6.5
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Frequently asked(5)
What is CVE-2023-41047?
When was CVE-2023-41047 disclosed?
Is CVE-2023-41047 actively exploited?
What is the CVSS score of CVE-2023-41047?
How do I remediate CVE-2023-41047?
Dependency Blast Radius
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