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8.6

cleanstart Solr could let attackers run code

published 5 days ago
Summary

The Solr component in cleanstart versions is vulnerable, allowing an attacker to execute unauthorized commands on the server. This can compromise your data and services. Upgrade to a patched version or apply the vendor's recommended fix as soon as possible.

What to do
  • Update cleanstart solr to version 9.9.0-r0.
Affected software
Ecosystem VendorProductAffected versions
CleanStart cleanstart solr < 9.9.0-r0
Fix: upgrade to 9.9.0-r0
Original advisory text
In Eclipse Jersey versions 2
Security vulnerability affects the solr package. In Eclipse Jersey versions 2.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.6 High
Timeline
Published30 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2026-DI31358 · OSV
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