Vulnerability · Published Mar 27, 2026 · Assigned by GitHub_M
CVE-2026-33981Changedetection.io Discloses Environment Variables via jq env Builtin in Include Filters
High 8.3
In plain English
A high-severity information exposure in changedetection.io from dgtlmoon. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
changedetection.io is a free open source web page change detection tool. Prior to 0.54.7, the `jq:` and `jqraw:` include filter expressions allow use of the jq `env` builtin, which reads all process environment variables and stores them as the watch snapshot. An authenticated user (or unauthenticated user when no password is set, the default) can leak sensitive environment variables including `SALTED_PASS`, `PLAYWRIGHT_DRIVER_URL`, `HTTP_PROXY`, and any secrets passed as env vars to the container. Version 0.54.7 patches the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | changedetection-io | 0.54.7 | GHSA-58r7-4wr5-hfx8 |
| PyPI | changedetection-io | 0.54.7 | PYSEC-2026-2130 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| dgtlmoon | changedetection.io | < 0.54.7 |
Weakness: CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
References
- https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-58r7-4wr5-hfx8 x_refsource_CONFIRM
- https://github.com/dgtlmoon/changedetection.io/commit/65517a9c74a0cbe1a4661314470b28131ef5557f x_refsource_MISC
- https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.7 x_refsource_MISC