CVE-2026-20122

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.

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

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 →

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

.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v Security Impact Rating: Critical CVE: CVE-2026-20122,CVE-2026-20126,CVE-2026-20128,CVE-2026-20129,CVE-2026-20133

CISA added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a Cisco Catalyst SD-WAN Manager vulnerability (CVE-2026-20133) that Cisco has yet to flag as exploited. Three Cisco Catalyst SD-WAN Manager vulnerabilities Alongside CVE-2026-20133, CISA has also listed CVE-2026-20128 and CVE-2026-20122 – two other Catalyst SD-WAN Manager vulnerabilities – as being leveraged in attacks. The latter two flaws have been confirmed as actively exploited by Cisco in early March 2026. In March, VulnCheck’s … More →

CISA expanded the KEV catalog with eight flaws, but five of them have been flagged as exploited before.

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Catalyst, Kentico Xperience, PaperCut NG/MF, Synacor ZCS, Quest KACE SMA, and JetBrains TeamCity flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Cisco Catalyst, Kentico Xperience, PaperCut NG/MF, Synacor ZCS, Quest KACE SMA, and JetBrains TeamCity flaws to its Known […]

Cisco’s widely deployed Catalyst 9300 Series enterprise switches have four security vulnerabilities, two of which could be chained to cause a denial-of-service outage, infrastructure security company Opswat has revealed. The two most operationally significant are CVE-2026-20114 and CVE-2026-20110, which the researchers found could be chained to make possible a dangerous privilege escalation. Opswat’s Unit 515 […]

WatchTowr reports seeing exploitation attempts for CVE-2026-20127 from numerous unique IP addresses.

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: BlacksmithAI: Open-source AI-powered penetration testing framework BlacksmithAI is an open-source penetration testing framework that uses multiple AI agents to execute different stages of a security assessment lifecycle. BlacksmithAI runs as a hierarchical system in which an orchestrator coordinates task execution across specialized agents. Security debt is becoming a governance issue for CISOs Application security backlogs keep expanding across large development … More →

Cisco warns that two recently patched Catalyst SD-WAN flaws, CVE-2026-20128 and CVE-2026-20122, are already being actively exploited in the wild. Cisco warned customers that threat actors are actively exploiting two recently patched Catalyst SD-WAN vulnerabilities, CVE-2026-20128 and CVE-2026-20122. The networking giant urged organizations to apply the latest security updates to reduce the risk of compromise. […]

Cisco has confirmed that two Catalyst SD-WAN Manager vulnerabilities (CVE-2026-20128 and CVE-2026-20122) patched in late February 2025 are being exploited by attackers. The exploited vulnerabilities (CVE-2026-20128, CVE-2026-20122) CVE-2026-20128 is a bug in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager, which could allow an authenticated, local attacker to gain DCA user privileges on an affected system. “To exploit this vulnerability, the attacker must have valid vmanage credentials on the affected system,” Cisco … More →

The networking giant has added the recently patched CVE-2026-20128 and CVE-2026-20122 to the list of exploited vulnerabilities.

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