Server-side Request Forgery (SSRF) Affecting changedetection.io package, versions [,0.54.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-CHANGEDETECTIONIO-15366433
- published1 Mar 2026
- disclosed25 Feb 2026
- creditroute2shell
Introduced: 25 Feb 2026
CVE-2026-27696 (opens in a new tab)How to fix?
Upgrade changedetection.io to version 0.54.1 or higher.
Overview
changedetection.io is a Website change detection and monitoring service
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the is_safe_valid_url function. An attacker can access internal network resources and exfiltrate sensitive data by submitting specially crafted watch URLs that resolve to private, loopback, or link-local addresses.
Note: This is only exploitable if no password is configured for the application, which is the default setting.