Vulnerability · Published Aug 19, 2026 · Assigned by cisco

CVE-2026-20358Cisco Crosswork Security Hardening Release: August 2026

Critical 10.0

In plain English

A critical-severity security flaw in Cisco Crosswork Planning from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.5%top 58.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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) CWE-73.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Crosswork Planning 7.0.27.1.07.0.07.0.47.0.17.0.37.2.07.1.1

Weakness: CWE-73 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

References