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CVE-2026-53573

core-geonetwork has an Open Redirect Bypass

MEDIUM
4.8
CVSS Score
Published: July 31, 2026 at 10:16 PM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorOpensource

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opensource· Geonetwork
90%
>= 3.12.0, <= 3.12.12>= 4.0.0-alpha.1, <= 4.0.6>= 4.2.0, < 4.2.16>= 4.4.0, < 4.4.11
Affected range stops below 4.2.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.11, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMGitHub_M
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-601

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