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CVE-2026-19909: CWE-59: Improper Link Resolution Before File Access ('Link Following') in PAX Technology Q80

0
High
VulnerabilityCVE-2026-19909cvecve-2026-19909cwe-59
Published: 08/14/2026 (08/14/2026, 20:00:21 UTC)
Source: CVE Database V5
Vendor/Project: PAX Technology
Product: Q80

Description

CVE-2026-19909 is a high-severity vulnerability in PAX Technology Q80 version 2.6.33.6690R. It involves improper link resolution before file access in the parsing of AIP files, allowing network-adjacent attackers to write arbitrary files via symbolic links. Exploitation does not require authentication and can lead to remote code execution with high impact on confidentiality, integrity, and availability.

CVSS v3.0

Score 7.5high

Attack Vector
Adjacent Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Affected versions
=2.6.33.6690

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/14/2026, 20:26:38 UTC

Technical Analysis

This vulnerability in PAX Technology Q80 (version =2.6.33.6690R) arises from improper handling of symbolic links during the parsing of AIP files. An attacker can create a symbolic link that the installer process follows, enabling arbitrary file writes. This flaw can be combined with other vulnerabilities to achieve remote code execution with root privileges. The vulnerability is identified as CWE-59 (Improper Link Resolution Before File Access). It has a CVSS 3.0 score of 7.5, indicating high severity, with attack vector network-adjacent, high attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation allows an unauthenticated, network-adjacent attacker to write arbitrary files on the affected system by abusing symbolic link resolution in AIP file parsing. This can lead to remote code execution in the context of root when combined with other vulnerabilities, severely compromising system confidentiality, integrity, and availability.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time. Users should monitor vendor communications for updates and apply patches once available.

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Technical Details

Data Version
5.2
Assigner Short Name
zdi
Date Reserved
2026-08-14T19:59:15.331Z
Cvss Version
3.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7f7683bf8831d539a40450

Added to database: 08/14/2026, 20:11:47 UTC

Last enriched: 08/14/2026, 20:26:38 UTC

Last updated: 08/15/2026, 01:49:24 UTC

Views: 10

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