Patch Forecast
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CVE-2026-42269

countly-server is the server-side part of Countly, a product analytics solution

Risk score
56/100
CVSS
8.1 v3.1
Exploit chance (30 days)
0.5%
Published
16 Oct 2026

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What to know

What it is
countly-server is the server-side part of Countly, a product analytics solution. Prior to 24.05.50 and 25.03.44, the authenticated data-migration deletion route in plugins/data_migration/api/api.js passes the user-controlled exportid to clean_up_data without path validation. plugins/data_migration/api/data_migration_h…
Affected
See advisory
Fix
Upgrade the product to 24.05.50 or 25.03.44 (whichever matches your release line), or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 8.1 high

References

Original description

countly-server is the server-side part of Countly, a product analytics solution. Prior to 24.05.50 and 25.03.44, the authenticated data-migration deletion route in plugins/data_migration/api/api.js passes the user-controlled exportid to clean_up_data without path validation. plugins/data_migration/api/data_migration_helper.js concatenates that identifier into a path resolved outside the intended import directory and calls remove recursively, allowing an application administrator or user with migration permission to delete writable files or directory trees and cause data loss or service disruption. This issue is fixed in versions 24.05.50 and 25.03.44.

Last activity 16 Oct 2026. Patch Forecast updates every hour.