10.0
CRITICAL CVSS 3.1
CVE-2026-20315
Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Access Control Vulnerabilities
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-2026-20315 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.

INFO

Published Date :

Aug. 19, 2026, 5:18 p.m.

Last Modified :

Aug. 19, 2026, 5:18 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-20315 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco secure_workload
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
Solution
Update Cisco Secure Workload to the latest software version to fix access control vulnerabilities.
  • Apply the software hardening release from Cisco.
  • Update Cisco Secure Workload to the latest version.
  • Verify access controls are properly configured.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-20315.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-csw1-shSvndWP
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20315 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-20315 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-20315 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 19, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Cisco', 'product': 'Cisco Secure Workload', 'versions': [{'status': 'affected', 'version': '2.2.1.41'}, {'status': 'affected', 'version': '3.2.1.18'}, {'status': 'affected', 'version': '3.3.2.50'}, {'status': 'affected', 'version': '3.4.1.28'}, {'status': 'affected', 'version': '3.4.1.34'}, {'status': 'affected', 'version': '2.3.1.45'}, {'status': 'affected', 'version': '2.3.1.41'}, {'status': 'affected', 'version': '3.3.2.28'}, {'status': 'affected', 'version': '3.1.1.59'}, {'status': 'affected', 'version': '2.0.2.20'}, {'status': 'affected', 'version': '2.1.1.33'}, {'status': 'affected', 'version': '2.1.1.29'}, {'status': 'affected', 'version': '3.2.1.28'}, {'status': 'affected', 'version': '3.4.1.35'}, {'status': 'affected', 'version': '3.1.1.65'}, {'status': 'affected', 'version': '3.1.1.67'}, {'status': 'affected', 'version': '2.0.1.34'}, {'status': 'affected', 'version': '2.3.1.49'}, {'status': 'affected', 'version': '2.2.1.39'}, {'status': 'affected', 'version': '3.4.1.19'}, {'status': 'affected', 'version': '3.3.2.23'}, {'status': 'affected', 'version': '3.1.1.61'}, {'status': 'affected', 'version': '3.1.1.54'}, {'status': 'affected', 'version': '3.5.1.17'}, {'status': 'affected', 'version': '3.3.2.33'}, {'status': 'affected', 'version': '3.5.1.1'}, {'status': 'affected', 'version': '2.3.1.53'}, {'status': 'affected', 'version': '3.5.1.20'}, {'status': 'affected', 'version': '3.5.1.30'}, {'status': 'affected', 'version': '3.3.2.16'}, {'status': 'affected', 'version': '3.1.1.55'}, {'status': 'affected', 'version': '3.4.1.6'}, {'status': 'affected', 'version': '2.3.1.50'}, {'status': 'affected', 'version': '2.3.1.52'}, {'status': 'affected', 'version': '3.2.1.19'}, {'status': 'affected', 'version': '2.2.1.35'}, {'status': 'affected', 'version': '3.1.1.53'}, {'status': 'affected', 'version': '3.1.1.70'}, {'status': 'affected', 'version': '3.2.1.20'}, {'status': 'affected', 'version': '3.5.1.2'}, {'status': 'affected', 'version': '1.103.1.12'}, {'status': 'affected', 'version': '2.3.1.51'}, {'status': 'affected', 'version': '3.3.2.42'}, {'status': 'affected', 'version': '3.4.1.1'}, {'status': 'affected', 'version': '3.3.2.12'}, {'status': 'affected', 'version': '2.1.1.31'}, {'status': 'affected', 'version': '3.5.1.23'}, {'status': 'affected', 'version': '3.3.2.53'}, {'status': 'affected', 'version': '3.4.1.14'}, {'status': 'affected', 'version': '3.3.2.2'}, {'status': 'affected', 'version': '3.4.1.20'}, {'status': 'affected', 'version': '3.3.2.35'}, {'status': 'affected', 'version': '2.2.1.34'}, {'status': 'affected', 'version': '1.102.21'}, {'status': 'affected', 'version': '3.3.2.5'}, {'status': 'affected', 'version': '3.5.1.31'}, {'status': 'affected', 'version': '3.6.1.5'}, {'status': 'affected', 'version': '3.2.1.31'}, {'status': 'affected', 'version': '3.5.1.37'}, {'status': 'affected', 'version': '3.4.1.40'}, {'status': 'affected', 'version': '3.6.1.17'}, {'status': 'affected', 'version': '3.6.1.21'}, {'status': 'affected', 'version': '3.2.1.32'}, {'status': 'affected', 'version': '3.2.1.33'}, {'status': 'affected', 'version': '3.6.1.35'}, {'status': 'affected', 'version': '3.6.1.36'}, {'status': 'affected', 'version': '3.7.1.5'}, {'status': 'affected', 'version': '3.6.1.47'}, {'status': 'affected', 'version': '3.7.1.22'}, {'status': 'affected', 'version': '3.6.1.52'}, {'status': 'affected', 'version': '3.7.1.39'}, {'status': 'affected', 'version': '3.8.1.1'}, {'status': 'affected', 'version': '3.7.1.51'}, {'status': 'affected', 'version': '3.8.1.19'}, {'status': 'affected', 'version': '3.8.1.36'}, {'status': 'affected', 'version': '3.7.1.59'}, {'status': 'affected', 'version': '3.8.1.39'}, {'status': 'affected', 'version': '3.9.1.1'}, {'status': 'affected', 'version': '3.9.1.10'}, {'status': 'affected', 'version': '3.9.1.24'}, {'status': 'affected', 'version': '3.9.1.25'}, {'status': 'affected', 'version': '3.9.1.28'}, {'status': 'affected', 'version': '3.9.1.38'}, {'status': 'affected', 'version': '3.8.1.53'}, {'status': 'affected', 'version': '3.9.1.52'}, {'status': 'affected', 'version': '3.10.1.1'}, {'status': 'affected', 'version': '3.9.1.64'}, {'status': 'affected', 'version': '3.10.2.11'}, {'status': 'affected', 'version': '3.9.1.66'}, {'status': 'affected', 'version': '3.10.3.19'}, {'status': 'affected', 'version': '3.9.1.69'}, {'status': 'affected', 'version': '3.10.4.8'}, {'status': 'affected', 'version': '3.10.5.6'}, {'status': 'affected', 'version': '4.0.1.1'}, {'status': 'affected', 'version': '4.0.2.4'}, {'status': 'affected', 'version': '4.0.2.5'}, {'status': 'affected', 'version': '3.10.6.3'}, {'status': 'affected', 'version': '3.10.7.4'}, {'status': 'affected', 'version': '4.0.3.13'}, {'status': 'affected', 'version': '4.0.3.17'}, {'status': 'affected', 'version': '3.10.8.3'}], 'defaultStatus': 'unknown'}]
    Added 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-2026-20315 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    Added CWE CWE-284
    Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-csw1-shSvndWP
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.