CVE-2026-57582 Details.
GeoNetwork - Reflected Cross-Site Scripting
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-2026-57582. What It Means.
GeoNetwork versions 4.4.5 through 4.4.11 are vulnerable to reflected cross-site scripting (XSS) in the public unauthenticated catalog search functionality. The uiconfig query parameter of the catalog.search endpoint is reflected into a JavaScript context without sufficient sanitization, allowing arbitrary JavaScript execution in a victim's browser.
Affected Product. What Is Hit.
- Vendor
- geonetwork
- Product
- GeoNetwork Core GeoNetwork
References. Where To Read More.
FAQ
Common Questions.
GeoNetwork - Reflected Cross-Site Scripting. GeoNetwork versions 4.4.5 through 4.4.11 are vulnerable to reflected cross-site scripting (XSS) in the public unauthenticated catalog search functionality. The uiconfig query parameter of the catalog.search endpoint is reflected into a JavaScript context without sufficient sanitization, allowing arbitrary JavaScript execution in a victim's browser.
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-2026-57582 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-57582 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update GeoNetwork Core GeoNetwork 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-2026-57582. Atlas does not run a check for it, so nothing here says whether a particular site is affected.