CVE-2026-76504: Cisco SD-WAN Flaw Exploited
Cisco says critical Catalyst SD-WAN Manager authentication bypass CVE-2026-76504 is being exploited.
Cisco disclosed CVE-2026-76504, a critical authentication bypass in Catalyst SD-WAN Manager, formerly vManage. The published text says the flaw allows an unauthenticated attacker to proceed, but the remainder of the description is truncated. The headline states that the vulnerability is being exploited. Defenders running SD-WAN Manager should treat the issue as an active authentication-bypass risk and apply Cisco's fix as soon as it is available.
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