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CPanel CVE-2026-41940 mitigation guidance

Advisory/Mitigation
First reported
Last updated
Happening score
H score 59
2 unique sources, 2 articles

Summary

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cPanel issued mitigation guidance for CVE-2026-41940 after fixes became available for cPanel, WHM, and WP Squared, urging customers to restart cpsrvd to reduce exposure. If patching is not immediately possible, operators should block external access to 2083, 2087, 2095, and 2096, or stop the cpsrvd and cpdavd core services. The vendor also provided a detection script and recommended purging sessions, resetting credentials, auditing logs, and checking for persistence if compromise indicators appear.

Cases

Related Happenings

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Linux kernel XFRM ESP-in-TCP local privilege escalation (CVE-2026-46300)

Vulnerability
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Latest development: 14.05.2026 16:00

Cloud security firm Wiz identified Fragnesia (CVE-2026-46300) in the Dirty Frag family, a Linux local privilege escalation that lets unprivileged local users gain root by corrupting the kernel page cache of read-only files. William Bowling of Zellic and the V12 team were credited with the discovery, and a working proof-of-concept exploit was published on May 13, 2026.

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CPanel security patch release for CVE-2026-29201

Security Patch Release
First: 09.05.2026 10:16 Last: 09.05.2026 10:16 Sources 1

About this happening: **cPanel** released updates for **cPanel and Web Host Manager (WHM)** to fix **three vulnerabilities** that could enable **privilege escalation**, **code execution**, or **denial-...

Timeline

  1. 30.04.2026 14:40 2 articles · 27d ago

    CPanel CVE-2026-41940 mitigation guidance

    Initial Disclosure

    Once fixes for **CVE-2026-41940** were available, cPanel moved to containment guidance for affected hosting stacks. The advice centered on restarting **cpsrvd**, temporarily restricting service ports, and using the vendor detection script to look for compromise.

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