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Linux Distros Unpatched Vulnerability : CVE-2026-47083

medium Nessus Plugin ID 327547

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content). (CVE-2026-47083)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-47083

Plugin Details

Severity: Medium

ID: 327547

File Name: unpatched_CVE_2026_47083.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 7/17/2026

Updated: 7/17/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2026-47083

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 4

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:cyrus-imapd, p-cpe:/a:centos:centos:cyrus-imapd, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:cyrus-imapd-utils, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd-vzic, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd-utils, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:cyrus-imapd-vzic

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/16/2026

Reference Information

CVE: CVE-2026-47083