CVE-2026-50054: falha de alta gravidade em Zimbra Collaboration Suite
Zimbra Collaboration Suite GrantRightsRequest SOAP Handler Allows Self-Granting of Undocumented loginAs Mailbox Delegation Right
Publicada em
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.1epss 0.2%
probabilidade de exploração
0.2%top 94% das CVEs
exploração observada
nãonenhuma fonte reporta
An authorization flaw in Zimbra Collaboration Suite’s GrantRightsRequest allows an attacker with access to an authenticated account to grant another local account the loginAs right, creating persistent mailbox access and mail-sending authority that survives password changes and session expiry.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Produtos afetados
Zimbra · Zimbra Collaboration SuiteCVEs relacionadas — Zimbra Collaboration Suite
No mesmo produto, das mais perigosas para as menos.
CVE-2026-50055MEDIUMZimbra Collaboration Suite Sieve Notify Filter Action Bypasses Mail Forwarding Restriction via Variable ExpansionEPSS 0.3%CVE-2026-10631MEDIUMZimbra Collaboration Suite EWS Extension Authorization Bypass via Crafted Composite Folder/Item IdentifierEPSS 0.2%CVE-2026-93637LOWZimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate LimitingEPSS —CVE-2026-93635MEDIUMZimbra Collaboration Suite LDAP Filter Injection via Unescaped computeDn() Template SubstitutionEPSS —