ACTIVELY EXPLOITED

CVE-2019-17558: Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability

Facts
VendorApache
ProductSolr
Actively exploitedYes
Added to CISA KEV3 Nov 2021
CISA federal deadline3 May 2022
Weakness (CWE)CWE-74

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

The Apache Solr VelocityResponseWriter plug-in contains an unspecified vulnerability which can allow for remote code execution.

SOURCES

Other Apache flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.