Is this vulnerability remotely exploitable?

It is not directly remote in the traditional network sense. Exploitation requires the ability to run or influence a Flatpak application on the target host. However, if a user is tricked into installing and running a malicious Flatpak app, the attack can effectively originate from remote distribution channels.

What level of access does an attacker need?

The attacker needs the capability to execute or control a Flatpak app in the affected environment. Within that context, they must be able to affect the paths used for ld.so cache entries so that the cleanup mechanism targets arbitrary files.

What is the safest general fix pattern for this type of bug?

The safest pattern is to strictly resolve and validate file paths before deletion, ensuring they are confined to a predefined, trusted directory. This includes canonicalizing paths, rejecting any that escape the allowed root, and avoiding reliance on app-controlled paths for privileged cleanup operations.

Severity:

HIGH RISK

(7.5)

Path Traversal File Deletion (CWE-22) in Flatpak ld.so Cache Handling

CVE-2026-34079

Published:

Apr 7, 2026

Status:

Undergoing Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI Handler setAccessDeviceCfg

Remote Code Execution on the Router

April 12, 2026

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI setLedCfg Handler

Remote Code Execution on the Router

April 12, 2026

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Arbitrary File Deletion on Host System

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Arbitrary File Deletion on Host System

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Path Traversal File Deletion (CWE-22) in Flatpak ld.so Cache Handling

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI Handler setAccessDeviceCfg

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI setLedCfg Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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