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CVE-2026-29039— changedetection.io: XPath - Arbitrary File Read via unparsed-text()

Quick assessment

Affected
dgtlmoon changedetection.io
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.

changedetection.io是dgtlmoon个人开发者的一个网站变更检测、监控和通知应用程序。 changedetection.io 0.54.4之前版本存在代码注入漏洞，该漏洞源于未验证或清理XPath表达式以阻止危险函数，可能导致攻击者读取应用程序进程可访问的任何文件。

AI Predicted 8.6 Difficulty: Easy EPSS 0.53% · P43
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I. Basic Information for CVE-2026-29039

Vulnerability Information
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Vulnerability Title
changedetection.io: XPath - Arbitrary File Read via unparsed-text()
Source: CVE Program / CVE List V5
Vulnerability Description
changedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, the changedetection.io application allows users to specify XPath expressions as content filters via the include_filters field. These XPath expressions are processed using the elementpath library which implements XPath 3.0/3.1 specification. XPath 3.0 includes the unparsed-text() function which can read arbitrary files from the filesystem. The application does not validate or sanitize XPath expressions to block dangerous functions, allowing an attacker to read any file accessible to the application process. This issue has been patched in version 0.54.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
changedetection.io 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
changedetection.io是dgtlmoon个人开发者的一个网站变更检测、监控和通知应用程序。 changedetection.io 0.54.4之前版本存在代码注入漏洞，该漏洞源于未验证或清理XPath表达式以阻止危险函数，可能导致攻击者读取应用程序进程可访问的任何文件。
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
dgtlmoon changedetection.io < 0.54.4 -

II. Public POCs for CVE-2026-29039

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III. Intelligence Information for CVE-2026-29039

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Patches & Fixes for CVE-2026-29039 (1)

Vendor Advisories for CVE-2026-29039 (1)

Vendor Pages for CVE-2026-29039 (1)

Same Patch Batch · dgtlmoon · 2026-03-06 · 3 CVEs total

CVE-2026-29038 6.1 MEDIUM changedetection.io: Reflected XSS in RSS Tag Error Response
CVE-2026-29065 changedetection.io: Zip Slip vulnerability in the backup restore functionality

IV. Related Vulnerabilities

Same product: changedetection.io
Same vendor: dgtlmoon
Same weakness: CWE-94

V. Comments for CVE-2026-29039

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