Vulnerability Intelligence Report
core-geonetwork has an Open Redirect Bypass
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.
No Active Exploit Signals
CVSS Base Score
4.8
MEDIUM
EPSS Probability:0.38%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-601 ↗CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| geonetwork | core-geonetwork | >= 3.12.0, <= 3.12.12 (affected), >= 4.0.0-alpha.1, <= 4.0.6 (affected), >= 4.2.0, < 4.2.16 (affected), >= 4.4.0, < 4.4.11 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.377%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | GitHub, Inc. · Vendor · USA |
| Reserved | 2026-06-09T19:11:53 |
| Published | 2026-07-31T22:16:25 |
| Last Updated | 2026-08-03T16:26:56 |
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