core-geonetwork has an Open Redirect Bypass — GHSA-PJP7-Q6WP-97QX

Summary

### Summary GeoNetwork's post-login redirect handling can be bypassed to redirect users to an attacker-controlled external site, even though the code attempts to restrict redirect targets to relative, in-application URLs. This affects both supported SSO login methods: OAuth2/OIDC and Keycloak. ### Details Both the OAuth2/OIDC and Keycloak login filters validate the client-supplied post-login redirect target before…

Timeline

Published by source

2026-08-01

Risk context

• Reported severity or threat level: medium.
• Review exposure for the affected product or family: maven: org.geonetwork-opensource:geonetwork.

Product

maven: org.geonetwork-opensource:geonetwork

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-PJP7-Q6WP-97QX

Source

GitHub

Vendor

GitHub

Published by source

2026-08-01

Last source activity

2026-08-01

Additional identifiers

CVE-2026-53573

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.