CVE-2025-48879: PYSEC-2026-1713 - OctoPrint Vulnerable to Denial of Service through malformed HTTP request in OctoPrint

CVE-2025-48879 · Severity: low · CVSS 3.1 · Published 2026-07-07

OctoPrint Vulnerable to Denial of Service through malformed HTTP request in OctoPrint

Technologies: OctoPrint (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-48879 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-48879 being exploited in the wild.
How severe is CVE-2025-48879?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
OctoPrint (PyPI) ECOSYSTEM:introduced=0,fixed=1.11.2.
Is there a fix for CVE-2025-48879?
Yes. OctoPrint (PyPI): upgrade to 1.11.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-48879?
Check whether you run OctoPrint (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • OctoPrint (PyPI): upgrade to 1.11.2 or later
    pip install "OctoPrint>=1.11.2"

Affected products

  • OctoPrint (PyPI) ECOSYSTEM:introduced=0,fixed=1.11.2

Identifiers

  • CVE-2025-48879
  • GHSA-9wj4-8h85-pgrw
  • PYSEC-2026-1713

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