Bug Bounty And Vuln HuntingVulnerability

Cisco IMC authentication bypass, one request full admin access

April 4, 2026r/cybersecurity

In r/cybersecurity, a critical Cisco IMC auth bypass is framed as trivially exploitable and urgent to patch, with commenters emphasizing same day vendor remediation and advisory tracking.

Cisco patched a 9.8/10 CVE yesterday — authentication bypass on IMC that gives full admin access with one HTTP request, no credentials needed
Attacker sends one crafted HTTP POST to the management interface → resets any user’s password incl
It was patched Wednesday, same day the notification went out:
r/cybersecurity
CVEauthentication bypasspatchingauthentication bypass

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