Unsafe Redirect Validation in GeoNetwork Catalog Application
CVE-2026-53573

4.8MEDIUM

Key Information:

Vendor

Geonetwork

Vendor
CVE Published:
31 July 2026

What is CVE-2026-53573?

The GeoNetwork catalog application is exposed to a vulnerability arising from insufficient validation of external redirects within its authentication filters. Specifically, the GeonetworkOAuth2LoginAuthenticationFilter and KeycloakAuthenticationProcessingFilter can allow attackers to manipulate redirections post-login, potentially leading users to malicious sites. This flaw affects versions ranging from 3.12.0 to 4.2.16 and 4.4.11. It is crucial for users running these versions to upgrade to at least 4.2.16 or 4.4.11, where the issue has been patched. For more details, please refer to the security advisory on GitHub.

Affected Version(s)

core-geonetwork >= 3.12.0, <= 3.12.12 <= 3.12.0, 3.12.12

core-geonetwork >= 4.0.0-alpha.1, <= 4.0.6 <= 4.0.0-alpha.1, 4.0.6

core-geonetwork >= 4.2.0, < 4.2.16 < 4.2.0, 4.2.16

References

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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