Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
6.5

CVE-2021-21269: Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust `join` method ...

CVE-2021-21269 · published 5 years ago
Summary

Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust `join` method without checking user input might have made it abe to do a Path Traversal attack causing to read more f...

What to do
  • Update keymaker_project keymaker to version 0.2.0 or later.
Affected software
VendorProductAffected versions
keymaker_project keymaker < 0.2.0
cpe:2.3:a:keymaker_project:keymaker:*:*:*:*:*:*:*:*
Original advisory text
Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust `join` method ...
Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust `join` method without checking user input might have made it abe to do a Path Traversal attack causing to read more files than allowed. This is fixed in version 0.2.0.
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.5 Medium
Exploitation
1% chance of attack within 30 days
Type
CWE-22Path Traversal
Timeline
Published20 Jan 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
Track software like this
Free during beta