CVE-2026-53573: Open Redirect

Description

GeoNetwork is a catalog application to manage spatially referenced resources. From 3.12.0 until 4.2.16 and 4.4.11, unsafe redirect validation in GeonetworkOAuth2LoginAuthenticationFilter and KeycloakAuthenticationProcessingFilter permits an attacker-controlled external redirect after login. This issue is fixed in versions 4.2.16 and 4.4.11.

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Weakness Type (CWE)

CWE-601 CWE-601

References

Other References

https://github.com/geonetwork/core-geonetwork/commit/0d74f673dfc926bde935819ed34636d789b2fecd https://github.com/geonetwork/core-geonetwork/commit/cde9b6481a29e2473b7b74479b4e3fd6843bac4e https://github.com/geonetwork/core-geonetwork/pull/9307 https://github.com/geonetwork/core-geonetwork/pull/9309 https://github.com/geonetwork/core-geonetwork/releases/tag/4.2.16 https://github.com/geonetwork/core-geonetwork/releases/tag/4.4.11 https://github.com/geonetwork/core-geonetwork/security/advisories/GHSA-pjp7-q6wp-97qx

Frequently Asked Questions

What is CVE-2026-53573? +

GeoNetwork is a catalog application to manage spatially referenced resources. From 3.12.0 until 4.2.16 and 4.4.11, unsafe redirect validation in GeonetworkOAuth2LoginAuthenticationFilter and KeycloakAuthenticationProcessingFilter permits an attacker-controlled external redirect after login. This issue is fixed in versions 4.2.16 and 4.4.11.

How do I check if I'm vulnerable to CVE-2026-53573? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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