Adobe Connect <= 4.4 Multiple Vulnerabilities (APSB26-150)

high Nessus Plugin ID 348779

Synopsis

The remote web server contains an application that is affected by multiple vulnerabilities.

Description

The version of Adobe Connect installed on the remote host is prior to 4.5. It is, therefore, affected by multiple vulnerabilities as referenced in the apsb26-150 advisory.

- Adobe Connect is affected by an Improper Certificate Validation vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue does not require user interaction. (CVE-2026-83964)

- Adobe Connect is affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue does not require user interaction. Scope is changed. (CVE-2026-34689)

- Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.
(CVE-2026-48361)

- Adobe Connect is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary SQL commands, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed. (CVE-2026-75682)

- Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed. (CVE-2026-75684, CVE-2026-75689, CVE-2026-75697)

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

Solution

Upgrade to Adobe Connect version 4.5 or later.

See Also

https://www.adobe.com/trust/security/products/connect/apsb26-150.html

Plugin Details

Severity: High

ID: 348779

File Name: adobe_connect_apsb26-150.nasl

Version: 1.6

Type: Remote

Agent: windows, macosx, unix

Family: CGI abuses

Published: 9/22/2026

Updated: 10/14/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.27

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-83964

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:H/I:N/A:N

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

Vulnerability Information

CPE: cpe:/a:adobe:connect

Required KB Items: installed_sw/Adobe Connect

Exploit Ease: No known exploits are available

Patch Publication Date: 9/22/2026

Vulnerability Publication Date: 9/22/2026

Reference Information

CVE: CVE-2026-34689, CVE-2026-48361, CVE-2026-75682, CVE-2026-75684, CVE-2026-75686, CVE-2026-75689, CVE-2026-75697, CVE-2026-75698, CVE-2026-83964

CWE: 20, 22, 295, 79, 89

IAVB: 2026-B-0269