Cisco Expressway CVE-2026-76466 can run remote commands as root
Clustered Expressway X15.5.3 and earlier are affected; X15.5.20 is the first fix, with no workaround.
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Clustered Expressway X15.5.3 and earlier are affected; X15.5.20 is the first fix, with no workaround.
Cisco will publish October 21, 2026 advisories and fixes for Expressway, IOS XR, Secure Client, Snort, and UC products.
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.
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