changedetection.io vulnerability

changedetection.io through 0.60.6 fails to validate the Goto URL action in browser steps, allowing unauthenticated attackers to access internal addresses. Attackers can supply arbitrary internal URLs in the optional_value parameter to retrieve responses from restricted network locations.

Published 16 Sep 2026Updated 22 Sep 20264 sources
CVSS 8.7

What happened

changedetection.io through 0.60.6 fails to validate the Goto URL action in browser steps, allowing unauthenticated attackers to access internal addresses. Attackers can supply arbitrary internal URLs in the optional_value parameter to retrieve responses from restricted network locations.

Affected versions

changedetection.io: 0 through 0.60.6 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.