Loading vulnerability…
CVE-2026-76657 is a critical improper-authentication vulnerability in the HPE Networking Fabric Composer API. The API can permit a remote unauthenticated attacker to circumvent existing authentication controls and obtain administrative privileges on the Fabric Composer host. The underlying implementation flaw and exact request sequence required for exploitation have not been disclosed.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Maximum-severity authentication-bypass vulnerability in HPE Networking Fabric Composer that allows unauthenticated remote attackers to obtain administrative privileges through the API.
A maximum-severity API authentication-bypass vulnerability in HPE Networking Fabric Composer that enables unauthenticated remote administrative access and could result in complete host takeover.
A maximum-severity API authentication-bypass vulnerability in HPE Networking Fabric Composer that permits unauthenticated remote administrative access and potential full host takeover.
A critical, remotely exploitable authentication-bypass vulnerability in the HPE Networking Fabric Composer API. An unauthenticated remote attacker could bypass authentication, obtain administrative privileges, and completely compromise the Fabric Composer host.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.