What is GHSA-mjcr-83m5-gm8c?

GHSA-mjcr-83m5-gm8c is a security advisory published by GitHub Security Advisories with High severity. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE...

Which CVE IDs does GHSA-mjcr-83m5-gm8c cover?

GHSA-mjcr-83m5-gm8c covers the following CVE IDs: CVE-2026-20269. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mjcr-83m5-gm8c?

GHSA-mjcr-83m5-gm8c has a CVSS v3 base score of 8.6, published by GitHub Security Advisories.

GHSA-mjcr-83m5-gm8cHighCVSS 8.6

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE...

Vendor

GitHub Security Advisories

Published

August 5, 2026

Last Modified

August 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-20269 →

📋 Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20269 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-20269
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJ
https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification
https://github.com/advisories/GHSA-mjcr-83m5-gm8c