Detections
Analytics

Atlassian Confluence 8.9.0 < 9.2.20 / 9.3.1 < 10.2.11 (CONFSERVER-103712)

high Nessus Plugin ID 317399

Synopsis

The remote Atlassian Confluence host is missing a security update.

Description

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-103712 advisory.

 - This injection vulnerability allows an unauthenticated attacker to modify the actions taken by a system call which has no impact to confidentiality, high impact to integrity, no impact to availability, and requires no user interaction. (CVE-2026-24734)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Atlassian Confluence version 9.2.20, 10.2.11 or later.

See Also

https://jira.atlassian.com/browse/CONFSERVER-103712

Plugin Details

Severity: High

ID: 317399

File Name: confluence_confserver-103712.nasl

Version: 1.2

Type: Combined

Agent: windows, macosx, unix

Family: CGI abuses

Published: 5/28/2026

Updated: 6/1/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-24734

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/a:atlassian:confluence

Required KB Items: installed_sw/Atlassian Confluence

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2026

Vulnerability Publication Date: 1/23/2026

Reference Information

CVE: CVE-2026-24734

IAVA: 2026-A-0497