CVE-2016-9177: Directory traversal vulnerability in Spark 2.5 allows remote attackers to read arbitrary files via a ..

Security readout for executives and security teams

CVE-2016-9177 is a directory traversal flaw reported in Spark 2.5. A remote attacker could use crafted URI path traversal to read arbitrary files. The source bundle does not provide CVSS, detailed affected product metadata, or a named patch version, so urgency depends on whether Spark 2.5 is exposed in your environment. Exposure is most likely in internet-facing or internally reachable applications using Spark 2.5 to handle HTTP requests or static files. The bundle lists affected metadata as n/a, so teams should validate by dependency inventory rather than product-name matching alone. Prioritize investigation for exposed applications because remote arbitrary file read can disclose secrets, configuration, or credentials. If Spark 2.5 is not present or not reachable, urgency decreases substantially. Mitigation focus: Identify applications or services using Spark 2.5.; Check Spark, Red Hat, and project guidance for fixed versions or workarounds.; Reduce external exposure for affected services until remediated..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.