CVE-2025-64187: OctoPrint provides a web interface for controlling consumer 3D printers

Q: How do I fix CVE-2025-64187?

octoprint: upgrade to 1.11.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-64187 being exploited?

CVE-2025-64187 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-64187 affect?

CVE-2025-64187 affects octoprint. Severity is medium (CVSS 4.4). 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 g

Q: How urgent is CVE-2025-64187?

Priority 17/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2025-64187 is a medium-severity flaw (CVSS 4.4) affecting octoprint. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 configurat

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-80
Published	2025-11-07
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: octoprint

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-07 04:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

octoprint octoprint UPGRADE

Affected: < 1.11.4

Fixed in: 1.11.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy octoprint || rpm -q octoprint || octoprint --version

2. UPGRADE to 1.11.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade octoprint

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade octoprint

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-64187?

octoprint: upgrade to 1.11.4. Exact commands for each OS are on this page.

Is CVE-2025-64187 being exploited?

CVE-2025-64187 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-64187 affect?

CVE-2025-64187 affects octoprint. Severity is medium (CVSS 4.4). 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 g

How urgent is CVE-2025-64187?

Priority 17/100. No elevated risk signals yet.

Related CVEs

CVE-2025-58180 HIGH 8.8 UPGRADE OctoPrint provides a web interface for controlling consumer 3D printers
CVE-2026-23892 MEDIUM 5.9 UPGRADE OctoPrint provides a web interface for controlling consumer 3D printers
CVE-2025-48879 MEDIUM 6.5 UPGRADE OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attac
CVE-2025-48067 MEDIUM 5.4 UPGRADE OctoPrint provides a web interface for controlling consumer 3D printers
CVE-2025-32788 MEDIUM 4.3 UPGRADE OctoPrint provides a web interface for controlling consumer 3D printers

References

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