Loading vulnerability…
CVE-2026-50055 is a mail forwarding restriction bypass vulnerability in Zimbra Collaboration Suite. The flaw allows an authenticated user to circumvent configured mail forwarding restrictions and exfiltrate email despite those restrictions being enabled. Publicly available information does not provide deeper technical detail about the affected code path or vulnerable function.
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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A mail forwarding restriction bypass in Zimbra that could allow authenticated users to exfiltrate email even when mail forwarding restrictions are enabled.
A mail forwarding restriction bypass in Zimbra that allows authenticated attackers to exfiltrate emails despite forwarding restrictions being enabled.
A mail-forwarding restriction bypass vulnerability in Zimbra that allows an authenticated attacker to exfiltrate emails despite enabled forwarding restrictions.
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.