PatchTheCVECVE-2024-47883: The OpenRefine fork of the MIT Simile Butterfly server is a modular web application framework
CVE-2024-47883 is a critical-severity flaw (CVSS 9.1) affecting butterfly. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The OpenRefine fork of the MIT Simile Butterfly server is a modular web application framework. The Butterfly framework uses the `java.net.URL` class to refer to (what are expected to be) local resource files, like images or templates. This works: "opening a connection" to these URLs opens the local file. However, prior to version 1.2.6, if a `file:/` URL is directly given where a relative path (resource name) is expected, this is also accepted in
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2024-47883?
butterfly: upgrade to newer than 1.2.6. Exact commands for each OS are on this page.
Is CVE-2024-47883 being exploited?
CVE-2024-47883 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-2024-47883 affect?
CVE-2024-47883 affects butterfly. Severity is critical (CVSS 9.1). The OpenRefine fork of the MIT Simile Butterfly server is a modular web application framework. The Butterfly framework uses the `java.net.URL` class to refer to (what are expected to be) local resource files, like images or templates. This
How urgent is CVE-2024-47883?
Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action