PatchTheCVECVE-2016-10585: libxl provides Node bindings for the libxl library for reading and writing excel (XLS and XLSX) spreadsheets
CVE-2016-10585 is a high-severity flaw (CVSS 8.1) affecting libxl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
libxl provides Node bindings for the libxl library for reading and writing excel (XLS and XLSX) spreadsheets. libxl downloads zipped resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested zip file with an attacker controlled zip file if the attacker is on the network or positioned in between the user and the remote server.
Why this priority
- High severity
- 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-2016-10585?
libxl: upgrade to newer than 0.3.0. Exact commands for each OS are on this page.
Is CVE-2016-10585 being exploited?
CVE-2016-10585 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-2016-10585 affect?
CVE-2016-10585 affects libxl. Severity is high (CVSS 8.1). libxl provides Node bindings for the libxl library for reading and writing excel (XLS and XLSX) spreadsheets. libxl downloads zipped resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code ex
How urgent is CVE-2016-10585?
Priority 53/100. High severity; Remotely exploitable, no login, no user action