CVE-2026-20358

Cisco Crosswork Security Hardening Release: August 2026

Published Aug 19, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
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)&nbsp;CWE-73.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cisco
Cisco cisco Crosswork Planning
Vendors & Products Cisco
Cisco cisco Crosswork Planning
Type Values Removed Values Added
Description 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)&nbsp;CWE-73.
Title Cisco Crosswork Security Hardening Release: August 2026
Weaknesses CWE-73
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Aug 21, 2026, 4:15 PM
Reserved
Oct 8, 2025, 11:59 AM
Status
Awaiting Analysis
Published
Aug 19, 2026, 5:18 PM
Modified
Aug 21, 2026, 5:16 PM