CVE-2025-48879: OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attac

Q: How do I fix CVE-2025-48879?

octoprint: upgrade to 1.11.2. Exact commands for each OS are on this page.

Q: Is CVE-2025-48879 being exploited?

CVE-2025-48879 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-2025-48879 affect?

CVE-2025-48879 affects octoprint. Severity is medium (CVSS 6.5). OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become un

Q: How urgent is CVE-2025-48879?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2025-48879 is a medium-severity flaw (CVSS 6.5) affecting octoprint. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. The issue can be triggered by a broken multipart/form-data request lacking an end boundary to any of OctoPrint's endpoints implemented through the octoprint.server.util.tornado.UploadStorageFallback

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-140, CWE-835
Published	2025-06-10
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

2025-06-10 16:15 UTCPublished CVE record published
2026-06-17 09:30 UTCUpdated Record last modified

octoprint octoprint UPGRADE

Affected: < 1.11.2

Fixed in: 1.11.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.11.2 (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-2025-48879?

octoprint: upgrade to 1.11.2. Exact commands for each OS are on this page.

Is CVE-2025-48879 being exploited?

CVE-2025-48879 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-2025-48879 affect?

CVE-2025-48879 affects octoprint. Severity is medium (CVSS 6.5). OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become un

How urgent is CVE-2025-48879?

Priority 27/100. No elevated risk signals yet.

Related CVEs

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CVE-2025-64187 MEDIUM 4.4 UPGRADE OctoPrint provides a web interface for controlling consumer 3D printers
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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