CVE-2026-45083 Goobi viewer: Unauthenticated Solr Streaming Expression Proxy

Critical 9.8 Published Updated

Unauthenticated attackers can access the Solr streaming expression proxy to read, modify, or delete indexed records in Goobi viewer.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-45083?

CVE-2026-45083 is a critical missing authorization vulnerability in intranda goobi-viewer-core, published on 27 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From 4.8.0 to before 26.04.1, the Goobi viewer REST endpoint POST /api/v1/index/stream accepted an arbitrary Solr streaming expression from unauthenticated network clients and forwarded it to the backend Solr server without restriction. An attacker could read the complete Solr index and, in default Solr deployments, also modify or delete indexed records. This vulnerability is fixed in 26.04.1.

Weakness: CWE-306

Which versions are affected by CVE-2026-45083?

2 open source packages ship an affected version, including io.goobi.viewer:viewer-core.

PackageAffectedFixed in
io.goobi.viewer:viewer-core MavenFrom 4.8.0 to 26.04None
io.goobi.viewer:viewer-core MavenFrom 4.8.0 to 26.04None

How do I fix CVE-2026-45083?

No fix has been published for CVE-2026-45083 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-45083 being exploited?

There is no known exploitation of CVE-2026-45083 in the wild and no public exploit code.

Sources

Also known as GHSA-2rgp-f66f-4499.

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