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Cisco security patch release for CVE-2026-20182

Security Patch Release
First reported
Last updated
Happening score
H score 60
1 unique sources, 1 articles

Summary

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Cisco released updates for CVE-2026-20182, a maximum-severity authentication bypass in Catalyst SD-WAN Controller/Manager, after the flaw was exploited in limited attacks. The patch applies to affected on-prem, Cloud-Pro, Cloud (Managed), and FedRAMP deployments. Cisco urged customers to install the latest updates as soon as possible because internet-exposed systems face higher compromise risk.

Cases

Related Happenings

Cisco security patch release for CVE-2026-20245

Security Patch Release
H score38 First: 25.06.2026 00:29 Last: 25.06.2026 00:29 Sources 1

About this happening: Cisco released **security updates** for **Cisco Catalyst SD-WAN** after **CVE-2026-20245** was linked to root-level command execution, and customers were told to move to fixed sof...

Cisco security patch release for CVE-2026-20262

Security Patch Release
H score47 First: 15.06.2026 20:12 Last: 15.06.2026 20:12 Sources 1

About this happening: **Cisco** released **security updates** for **CVE-2026-20262** in **Catalyst SD-WAN Manager**, covering multiple release trains after the zero-day was exploited to reach **root pr...

Cisco Unified Communications Manager security update for CVE-2026-20230

Security Patch Release
H score56 First: 04.06.2026 14:09 Last: 04.06.2026 14:09 Sources 1

About this happening: Cisco released **security updates** for **Cisco Unified Communications Manager (Unified CM)** to fix **CVE-2026-20230**, a **critical** flaw that could let a remote attacker reach...

Cisco Secure Workload REST API patch release (CVE-2026-20223)

Security Patch Release
H score55 First: 22.05.2026 08:36 Last: 22.05.2026 08:36 Sources 1

About this happening: Cisco patched **CVE-2026-20223**, a **CVSS 10.0** Secure Workload REST API flaw that could expose sensitive data and allow configuration changes across tenant boundaries. The upda...

Cisco ThousandEyes and Nexus security patches

Security Patch Release
H score31 First: 21.05.2026 15:04 Last: 21.05.2026 15:04 Sources 1

About this happening: Cisco released patches for **three medium-severity vulnerabilities** affecting **ThousandEyes Virtual Appliance**, **ThousandEyes Enterprise Agent**, and **Nexus 3000/9000 switche...

Timeline

  1. 14.05.2026 20:45 2 articles · 1mo ago

    Cisco security patch release for CVE-2026-20182

    Initial Disclosure

    Cisco issued a **2026-05-14** update cycle for **CVE-2026-20182** after learning the authentication bypass had already been used in **limited attacks**. The release targeted **Catalyst SD-WAN Controller/Manager** deployments that could be reached by remote attackers.

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