Information Exposure Affecting changedetection.io package, versions [,0.54.7)
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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Test your applications- Snyk IDSNYK-PYTHON-CHANGEDETECTIONIO-15857188
- published31 Mar 2026
- disclosed27 Mar 2026
- creditSajda Kabir
Introduced: 27 Mar 2026
CVE-2026-33981 (opens in a new tab)How to fix?
Upgrade changedetection.io to version 0.54.7 or higher.
Overview
changedetection.io is a Website change detection and monitoring service
Affected versions of this package are vulnerable to Information Exposure via the jq and jqraw include filter expressions, which allow access to the env builtin. An attacker can obtain sensitive environment variables by crafting filter expressions that read and store these variables as part of the watch snapshot.
Note: This is only exploitable if authentication is not enabled or if the attacker has valid credentials.