CVE-2026-20358criticalCWE-73

CVE-2026-20358: critical vulnerability in Cisco Crosswork Planning

Cisco Crosswork Security Hardening Release: August 2026

Published · Updated

Follow this CVE+ Monitor Cisco Crosswork Planning

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. It has an official Brazilian government alert.

ssvc Trackcvss 10epss 0.5%
Official alert in Brazil

Brazil's federal government published an alert, recommendation or bulletin that cites this vulnerability.

Source: CTIR Gov (GSI) and CISC Gov.br, under the CC BY-ND 3.0 license.
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20358 are related to external control of the file system issues that are grouped Common Weakness Enumeration (CWE) CWE-73.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
Affected products
Cisco · Cisco Crosswork Planning
Related CVEs — Cisco Crosswork Planning

In the same product, most dangerous first.

CVE-2026-20357CRITICALCisco Crosswork Security Hardening Release: August 2026EPSS 0.6%CVE-2026-20030CRITICALCisco Crosswork Security Hardening Release: August 2026EPSS 0.6%CVE-2026-20359CRITICALCisco Crosswork Security Hardening Release: August 2026EPSS 0.4%