CVE-2026-20182

attacker must have netadmin privileges on the affected system. This would require valid credentials or exploitation of CVE-2026-20182 or CVE-2026-20127 . Cisco is not aware of successful exploitation by other methods. Cisco has observed limited cases where the exploitation of this bug resulted in a configuration change pushed to edge devices. Cisco re

oitation of Cisco Catalyst SD-WAN vulnerabilities May 14, 2026 12:02 Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage. UAT-4356's Targeting of Cisco Firepower Devices April 23,

lnerability in Cisco products at least two months before the flaw was disclosed, a new Google report warned. Tracked as CVE-2026-20245, this high-severity (CVSS 7.8) privilege escalation vulnerability stems from insufficient validation of user-supplied input in the command-line interface (CLI) of Cisco Catalyst SD-WAN Controller, formerly known as SD-W

Hackers exploited Cisco Catalyst SD-WAN flaw CVE-2026-20245 as a zero-day months before disclosure, enabling privileged command execution. Google-owned Mandiant reported that an unknown threat actor exploited Cisco Catalyst SD-WAN vulnerability CVE-2026-20245 (CVSS base score of 7.8) as a zero-day at least two months before it was publicly disclosed. The flaw allows an authenticated attacker with […]

CVE-2026-20245, the 7th Cisco SD-WAN vulnerability exploited in 2026, was used for months prior to its disclosure and patching.

frastructure at a service provider. After gaining initial access, the threat actor exploited a zero-day vulnerability ( CVE-2026-20245 ) in Cisco Catalyst SD-WAN to escalate privileges from a compromised administrative account to root-level access. The vulnerability stems from the device’s file upload feature lacking the ability to properly filter mali

co.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW Security Impact Rating: Critical CVE: CVE-2026-20182

Cisco warned that CVE-2026-20262, a Catalyst SD-WAN Manager vulnerability allowing arbitrary file writes, is being actively exploited. Cisco confirmed active exploitation of CVE-2026-20262, an arbitrary file write vulnerability affecting Catalyst SD-WAN Manager. CVE-2026-20262 (CVSS score of 6.5) is an arbitrary file write vulnerability in the web interface of Cisco Catalyst SD-WAN Manager. The flaw is […]

Cisco has revealed another Catalyst SD-WAN Manager vulnerability (CVE-2026-20262) that its Product Security Incident Response Team observed being exploited by attackers. But the associated security advisory also states that “the vulnerability was found during internal security testing”, raising the question of how attackers came to exploit it before Cisco had disclosed it publicly. The vulnerability (CVE-2026-20262) Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage) is the management plane for the entire Cisco SD-WAN fabric. CVE-2026-20262 is … More →

Cisco recently became aware of the exploitation of CVE-2026-20262, a Catalyst SD-WAN Manager zero-day that allows arbitrary file write.

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Catalyst SD-WAN, Arista Extensible Operating System (EOS), and Google Chromium V8 flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added BerriAI LiteLLM and Check Point Security Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog. The two flaws added to […]

Cisco warns of CVE-2026-20245 in SD-WAN Manager, a flaw that can lead to root access via file upload command injection; no patch or workaround yet. Cisco warns of a privilege escalation flaw, tracked as CVE-2026-20245 (CVSS base score of 7.8), in Cisco Catalyst SD-WAN Manager, the platform formerly known as SD-WAN vManage. An authenticated local […]

A 0-day privilege escalation vulnerability (CVE-2026-20245) in Cisco Catalyst SD-WAN Manager that has yet to be patched by Cisco is being leveraged by attackers. “To exploit this vulnerability, an attacker must have netadmin privileges on an affected system. This would require valid credentials or exploitation of CVE-2026-20182 or CVE-2026-20127. Cisco is not aware of successful exploitation by other methods,” the company shared on Thursday. It also said that it has observed “limited cases where the … More →

The vulnerability is tracked as CVE-2026-20245 and it can allow arbitrary command execution as root, but no patch yet.

ss sandbox controls, expose restricted files, leak secrets, and gain owner-level access. The flaws include the critical CVE-2026-44112, rated CVSS 9.6. Researchers developed an AI-assisted macOS kernel exploit that bypasses Apple’s Memory Integrity Enforcement on M5 chips and grants full system control on macOS 26.4.1. Anthropic’s Mythos Preview report

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Attackers exploit Funnel Builder bug to inject e-skimmers into e-stores Pwn2Own Berlin 2026, Day Three: DEVCORE […]

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Review: Foundations of Cybersecurity, 2nd edition Jason Andress has refreshed his introductory security text for No Starch Press. He writes in the introduction that the term security now extends past data center servers to cloud resources, mobile devices, the Internet of Things, and AI. Foundations of Cybersecurity: A Straightforward Introduction book is aimed at newcomers to the field, network and … More →

Cisco has patched yet another Catalyst SD-WAN Controller authentication bypass vulnerability (CVE-2026-20182) that has been exploited as a zero-day by “a highly sophisticated cyber threat actor”. About CVE-2026-20182 CVE-2026-20182 – affecting both Cisco Catalyst SD-WAN Controller (the “brain” of the Cisco Catalyst SD-WAN solution) and Cisco Catalyst SD-WAN Manager (the management plane for the entire SD-WAN fabric) – stems from a flawed peering authentication mechanism. It affects both on-prem and cloud deployments. CVE-2026-20182 was reported … More →

Cisco has disclosed a max-severity authentication bypass vulnerability affecting its Catalyst SD-WAN Controller and Catalyst SD-WAN Manager platforms, warning that the flaw has already been found to be exploited in the wild. The disclosure follows an earlier authentication bypass vulnerability that Cisco patched in February. In the latest advisory, the company said the new flaw […]

The zero-day, tracked as CVE-2026-20182, has been exploited in targeted attacks by a sophisticated threat actor identified as UAT-8616.

Linked URL: https://www.rapid7.com/blog/post/ve-cve-2026-20182-critical-authentication-bypass-cisco-catalyst-sd-wan-controller-fixed/ | Posted by baq | 3 points | 0 comments

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Cisco Catalyst SD-WAN to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Cisco Catalyst SD-WAN, tracked as CVE-2026-20182 (CVSS score of 10.0), to its Known Exploited Vulnerabilities (KEV) catalog. Cisco fixed CVE-2026-20182, a flaw in SD-WAN control […]

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