Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-41047— Information leak via “diff” methods in qSnapper

Quick assessment

Affected
presire qSnapper
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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之前版本存在授权问题漏洞，该漏洞源于使用“snapshot diff”功能时缺乏身份验证，可能导致本地攻击者查看受保护信息。

AI Predicted 4.4 Difficulty: Easy EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
presire qSnapper < 1.3.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-41047

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Information leak via “diff” methods in qSnapper
Source: CVE Program / CVE List V5
Vulnerability Description
Lack of authentication when using the "snapshot diff" functions in qSnapper before version 1.3.3 allowed a local attacker to see otherwise read protected information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
presire qSnapper 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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之前版本存在授权问题漏洞，该漏洞源于使用“snapshot diff”功能时缺乏身份验证，可能导致本地攻击者查看受保护信息。
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-2026-41047

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-41047

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-41047 (1)

Proof of Concept for CVE-2026-41047 (1)

Security Blog Posts for CVE-2026-41047 (1)

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

CVE-2026-41045 8.1 HIGH Weak polkit authentication check in qSnapper
CVE-2026-41046 7.3 HIGH path traversal via `config` parameter in qSnapper
CVE-2026-41049 Caching of Authentication allows Authentication Bypass between users 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-306

V. Comments for CVE-2026-41047

No comments yet

Leave a comment