CVE-2026-25527 Details.
changedetection.io <= 0.52.9 - Unauthenticated Path Traversal
Atlas does not check this one. Works by exploiting the flaw.
The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check.
About CVE-2026-25527. What It Means.
changedetection.io <= 0.53.9 contains a path traversal caused by improper validation of the 'group' parameter in /static/<group>/<filename> route, letting unauthenticated attackers read local application source files.
Affected Product. What Is Hit.
- Vendor
- dgtlmoon
- Product
- Dgtlmoon Changedetection.io
FAQ
Common Questions.
changedetection.io <= 0.52.9 - Unauthenticated Path Traversal. changedetection.io <= 0.53.9 contains a path traversal caused by improper validation of the 'group' parameter in /static/<group>/<filename> route, letting unauthenticated attackers read local application source files.
No. The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check. The facts about CVE-2026-25527 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-25527 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Dgtlmoon Changedetection.io to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-25527. Atlas does not run a check for it, so nothing here says whether a particular site is affected.