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CVE-2026-41046— path traversal via `config` parameter in qSnapper

Quick assessment

Affected

presire qSnapper

Exploitation

Public or AI PoC available; prioritize validation

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

presire qSnapper是presire个人开发者开源的一个基于 Qt6/QML 开发的 Linux 图形界面应用，用于通过 D-Bus 和 PolicyKit 安全地管理 Btrfs/Snapper 文件系统快照。 presire qSnapper 1.3.3之前版本存在路径遍历漏洞，该漏洞源于使用“configName”参数时存在路径遍历攻击，可能导致本地攻击者使用恶意配置文件，造成拒绝服务或提升权限至root。

CVSS 7.3 · High EPSS 0.18% · P8 Updated Jun 27, 2026

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

Vendor	Product	Version Range	Status
presire	qSnapper	`< 1.3.3`	affected

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I. Basic Information for CVE-2026-41046

Vulnerability Information

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Vulnerability Title

path traversal via `config` parameter in qSnapper

Source: CVE Program / CVE List V5

Vulnerability Description

A path traversal attack when using a "configName" parameter in qSnapper before version 1.3.3 allowed a local attacker to use malicious config files for snapper and so cause a denial of service or potentially escalate privileges to root.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

相对路径遍历

Source: CVE Program / CVE List V5

Vulnerability Title

presire qSnapper 路径遍历漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
presire	qSnapper	0 ~ 1.3.3	-

II. Public POCs for CVE-2026-41046

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-41046

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Vendor Advisories for CVE-2026-41046 (2)

Proof of Concept for CVE-2026-41046 (1)

🔗 Release qSnapper 1.3.3 · presire/qSnapper · GitHub Read full article vendor-advisory

https://www.cve.org/CVERecord?id=CVE-2026-41046

Same Patch Batch · presire · 2026-06-22 · 5 CVEs total

CVE-2026-41045	8.1 HIGH	Weak polkit authentication check in qSnapper
CVE-2026-41049		Caching of Authentication allows Authentication Bypass between users in qSnapper
CVE-2026-41047		Information leak via “diff” methods in qSnapper
CVE-2026-41048		Caching of Authentication allows Authentication Bypass in qSnapper

IV. Related Vulnerabilities

Same product: qSnapper

Same vendor: presire

Same weakness: CWE-23