PatchTheCVECVE-2016-10657: co-cli-installer downloads the co-cli module as part of the install process, but does so over HTTP, which leav
CVE-2016-10657 is a high-severity flaw (CVSS 8.1) affecting co-cli-installer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
co-cli-installer downloads the co-cli module as part of the install process, but does so over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested resources with an attacker controlled copy 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
No fix is published yet: follow the downgrade or mitigation steps.
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-2016-10657?
co-cli-installer: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2016-10657 being exploited?
CVE-2016-10657 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-2016-10657 affect?
CVE-2016-10657 affects co-cli-installer. Severity is high (CVSS 8.1). co-cli-installer downloads the co-cli module as part of the install process, but does so over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested resources
How urgent is CVE-2016-10657?
Priority 53/100. High severity; Remotely exploitable, no login, no user action