Piotr Karwasz created SOLR-18288:
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             Summary: Document non-exploitability of Log4j CVE-2026-34477 
through -34481 in Solr 9.10.1
                 Key: SOLR-18288
                 URL: https://issues.apache.org/jira/browse/SOLR-18288
             Project: Solr
          Issue Type: Bug
            Reporter: Piotr Karwasz


Document the non-exploitability of the April 2026 Log4j security advisories in 
the Solr 9.10.1 distribution:

* CVE-2026-34477
* CVE-2026-34478
* CVE-2026-34479
* CVE-2026-34480
* CVE-2026-34481

None of these vulnerabilities affect Solr 9.10.1 under the *default logging 
configuration*.

CVE-2026-34481 is additionally not exploitable under *any* configuration, 
because Solr issues no logging calls that could trigger it.




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