CVE-2026-27760

Summary

OpenCATS prior to commit 3002a29 contains a PHP code injection vulnerability in the installer AJAX endpoint that allows unauthenticated attackers to execute arbitrary code by injecting PHP statements into the databaseConnectivity action parameter. Attackers can break out of the define() string context in config.php using a single quote and statement separator to inject malicious PHP code that persists and executes on every subsequent page load when the installation wizard remains incomplete.

Affected Software

VendorProductVersion RangeStatus
opencatsOpenCATS0 <= 0.9.7.4affected
opencatsOpenCATS3002a29f4c3cada1aa2c4f3d4ae4e189906606b6unaffected

Weaknesses

  • CWE-94: CWE-94 Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

References