CVE-2025-64187

CVE-2025-64187 is a medium-severity vulnerability in Octoprint with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-80.

Key facts

Description

OctoPrint provides a web interface for controlling consumer 3D printers. Versions 1.11.3 and below are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Action Command notifications and prompts popups generated by the printer. An attacker who successfully convinces a victim to print a specially crafted file could exploit this issue to disrupt ongoing prints, extract information (including sensitive configuration settings, if the targeted user has the necessary permissions for that), or perform other actions on behalf of the targeted user within the OctoPrint instance. This issue is fixed in version 1.11.4.

Frequently asked questions

What is CVE-2025-64187?
OctoPrint provides a web interface for controlling consumer 3D printers. Versions 1.11.3 and below are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Action Command notifications and prompts popups generated by the printer. An attacker who successfully convinces a victim to print a specially crafted file could exploit this issue to disrupt ongoing prints, extract information (including sensitive configuration settings, if the targeted user has the necessary permissions for that), or perform other actions on behalf of the targeted user within the OctoPrint instance. This issue is fixed in version 1.11.4.
How severe is CVE-2025-64187?
CVE-2025-64187 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-64187 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-64187?
CVE-2025-64187 affects Octoprint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-64187?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-64187 have an EU (EUVD) identifier?
Yes. CVE-2025-64187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37860.
When was CVE-2025-64187 published?
CVE-2025-64187 was published on 2025-11-07 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Octoprint

All CVEs affecting Octoprint →

Other CWE-80 vulnerabilities

Browse all CWE-80 vulnerabilities →