RCE in Prusa3d Prusaslicer

CVE-2023-47268

In libslic3r/GCode/PostProcessor.cpp in Prusa PrusaSlicer through 2.6.1, a crafted 3mf project file can execute arbitrary code on a host where the project is sliced and G-code exported.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (22.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-47268?
CVE-2023-47268 is a medium-severity vulnerability in Prusa3d Prusaslicer, classified under Command Injection. CVSS score: 5.3/10. Published 2026-05-08.
How severe is CVE-2023-47268?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-47268 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.