Name: CVE-2026-21991: Improper Limitation of a Pathname to a Restricted Directory
Creator: Rapid7
Published: 2026-03-16T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-21991, CVSS 5.5, EPSS 0.00188

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Gentoo Linux	—	Upgrade dev-debug/dtrace.	Apr 20, 2026	Apr 17, 2026
Oracle_linux	—	Upgrade dtraceUpgrade dtrace-develUpgrade dtrace-testsuite	Mar 18, 2026	Mar 16, 2026

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CVSS Details

Covered by Rapid7

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