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CVE-2026-20318— Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Input Validation Vulnerabilities

Quick assessment

Affected
Cisco Cisco Secure Workload
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Secure Workload是美国Cisco公司的一款工作负载安全与威胁分析管理软件。 Cisco Secure Workload存在输入验证错误漏洞，该漏洞源于输入验证不当。以下版本受到影响： 2.2.1.41版本、3.2.1.18版本、3.3.2.50版本、3.4.1.28版本、3.4.1.34版本、2.3.1.45版本、2.3.1.41版本、3.3.2.28版本、3.1.1.59版本、2.0.2.20版本、2.1.1.33版本、2.1.1.29版本、3.2.1.28版本、3.4.1.3

CVSS 9.6 · Critical EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 101

VendorProduct Version RangeStatus
Cisco Cisco Secure Workload 2.2.1.41 affected
3.2.1.18 affected
3.3.2.50 affected
3.4.1.28 affected
3.4.1.34 affected
2.3.1.45 affected
2.3.1.41 affected
3.3.2.28 affected
… +93 more rows
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I. Basic Information for CVE-2026-20318

Vulnerability Information
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Vulnerability Title
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Input Validation Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload 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-2026-20318 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Secure Workload 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Workload是美国Cisco公司的一款工作负载安全与威胁分析管理软件。 Cisco Secure Workload存在输入验证错误漏洞，该漏洞源于输入验证不当。以下版本受到影响： 2.2.1.41版本、3.2.1.18版本、3.3.2.50版本、3.4.1.28版本、3.4.1.34版本、2.3.1.45版本、2.3.1.41版本、3.3.2.28版本、3.1.1.59版本、2.0.2.20版本、2.1.1.33版本、2.1.1.29版本、3.2.1.28版本、3.4.1.3
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Secure Workload 2.2.1.41 -

II. Public POCs for CVE-2026-20318

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III. Intelligence Information for CVE-2026-20318

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Vendor Advisories for CVE-2026-20318 (1)

Same Patch Batch · Cisco · 2026-08-19 · 15 CVEs total

CVE-2026-20030 10.0 CRITICAL Cisco Crosswork Security Hardening Release: August 2026
CVE-2026-20358 10.0 CRITICAL Cisco Crosswork Security Hardening Release: August 2026
CVE-2026-20357 10.0 CRITICAL Cisco Crosswork Security Hardening Release: August 2026
CVE-2026-20317 10.0 CRITICAL Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Authentic
CVE-2026-20315 10.0 CRITICAL Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Access Co
CVE-2026-20231 9.9 CRITICAL Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Neutraliz
CVE-2026-20359 9.9 CRITICAL Cisco Crosswork Security Hardening Release: August 2026
CVE-2026-20319 7.5 HIGH Cisco Secure Workload Software Security Hardening Release August 2026 - Buffer Management
CVE-2026-20320 7.5 HIGH Cisco BroadWorks OCI解析器XEE漏洞
CVE-2026-20327 6.5 MEDIUM Cisco Unified Intelligence Center SQL Injection Vulnerability
CVE-2026-20302 6.1 MEDIUM Cisco RoomOS Stack Overflow Vulnerability
CVE-2026-20232 5.4 MEDIUM Cisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting Vulnerability
CVE-2026-20177 5.3 MEDIUM Cisco Industrial Ethernet 1000 Series Switches Denial of Service Vulnerability
CVE-2026-20314 5.0 MEDIUM Cisco Packaged Contact Center Enterprise & Cisco Unified Contact Center Enterprise Server-

IV. Related Vulnerabilities

Same product: Cisco Secure Workload
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2026-20318

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