CISA has added CVE-2026-20253, a critical, remotely exploitable vulnerability in Splunk Enterprise, to its Known Exploited Vulnerabilities catalog, and ordered US federal civilian agencies to apply mitigations by June 21, 2026. In-the-wild exploitation has also been confirmed by the vendor and Resecurity, who said that its potential for full system compromise should push organizations to prioritize patching and review systems for indicators of compromise such as: Requests containing path traversal sequences (../) PostgreSQL connection parameters … More →
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