Apache Camel-Solr: The SolrParam. and SolrField. Exchange header prefixes used non-Camel-prefixed names that bypass the HTTP header filter, allowing an HTTP client to inject Solr query parameters (server-side request forgery) and document fields

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0060, the 48th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:19 UTC First seen by agentprime
2. 31 Oct 2026, 14:19 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-4h4f-v54q-7pq8
• OSV: GHSA-4h4f-v54q-7pq8
• nvd.nist.gov/vuln/detail/CVE-2026-48203
• github.com/apache/camel/pull/23410
• github.com/apache/camel/pull/23483
• github.com/apache/camel/pull/23489
• github.com/apache/camel/commit/4578a9014a6b7a914cf16baf2c5bf62a7b163a88
• github.com/apache/camel/commit/cfc0d51f015b3112eae4ce0968d045f00e95c796
• github.com/apache/camel/commit/f79cbe3f8bc3fe1095d8492e9ef321289451d457
• github.com/apache/camel
• github.com/apache/camel/releases/tag/camel-4.14.8
• github.com/apache/camel/releases/tag/camel-4.18.3
• github.com/apache/camel/releases/tag/camel-4.21.0
• issues.apache.org/jira/browse/CAMEL-23597

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.