PYSEC-2026-28

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

changedetection.io 安全漏洞

changedetection.io is a website change detection, monitoring, and notification application developed by dgtlmoon. Versions of changedetection.io prior to 0.54.8 contained a security vulnerability. This vulnerability occurred because the @loginoptionallyrequired decorator was placed before...

Incorrect Authorization

Overview changedetection.io is a Website change detection and monitoring service Affected versions of this package are vulnerable to Incorrect Authorization due to improper decorator ordering in route registration. An attacker can gain unauthorized access to sensitive backup files, exfiltrate...

PYSEC-2026-2130

changedetection.io is a free open source web page change detection tool. Prior to 0.54.7, the jq: and jqraw: include filter expressions allow use of the jq env builtin, which reads all process environment variables and stores them as the watch snapshot. An authenticated user or unauthenticated us...

CVE-2026-33981 Changedetection.io Discloses Environment Variables via jq env Builtin in Include Filters

changedetection.io is a free open source web page change detection tool. Prior to 0.54.7, the jq: and jqraw: include filter expressions allow use of the jq env builtin, which reads all process environment variables and stores them as the watch snapshot. An authenticated user or unauthenticated us...

changedetection.io 信息泄露漏洞

changedetection.io is a website-based application developed by dgtlmoon, designed for change detection, monitoring, and notification. Versions of changedetection.io prior to 0.54.7 contained a vulnerability related to information leakage. This vulnerability stemmed from the use of filter...

CVE-2026-29065 changedetection.io: Zip Slip vulnerability in the backup restore functionality

changedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, a Zip Slip vulnerability in the backup restore functionality allows arbitrary file overwrite via path traversal in uploaded ZIP archives. This issue has been patched in version 0.54.4...

CVE-2026-29039

Changedetection.io prior to 0.54.4 is vulnerable to an Arbitrary File Read via XPath in include_filters, where unparsed-text() can read files accessible to the application. Affected component is the XPath-based content filter processing using the elementpath parser. Impact includes reading sensit...

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

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 includefilters field. These XPath expressions are processed using the elementpath library which...

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

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 includefilters field. These XPath expressions are processed using the elementpath library which...

CVE-2026-29038 changedetection.io: Reflected XSS in RSS Tag Error Response

changedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, there is a reflected cross-site scripting XSS vulnerability identified in the /rss/tag/ endpoint of changedetection.io. The taguuid path parameter is reflected directly in the HTTP response body...

changedetection.io 跨站脚本漏洞

Changedetection.io is a website change detection, monitoring, and notification application developed by dgtlmoon. Versions of Changedetection.io prior to 0.54.4 contained a cross-site scripting vulnerability. This vulnerability stemmed from the taguuid path parameter in the /rss/tag/ endpoint bei...

changedetection.io 路径遍历漏洞

changedetection.io is a website-based application developed by dgtlmoon, designed for change detection, monitoring, and notification. Versions of changedetection.io prior to 0.54.4 contained a path traversal vulnerability. This vulnerability stemmed from an arbitrary file overwrite vulnerability ...

changedetection.io has Reflected XSS in its RSS Tag Error Response

A reflected cross-site scripting XSS vulnerability was identified in the /rss/tag/ endpoint of changedetection.io. The taguuid path parameter is reflected directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the browser...

CVE-2026-27645

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

GHSA-3C45-4PJ5-CH7M changedetection.io is Vulnerable to SSRF via Watch URLs

Summary Changedetection.io is vulnerable to Server-Side Request Forgery SSRF because the URL validation function issafevalidurl does not validate the resolved IP address of watch URLs against private, loopback, or link-local address ranges. An authenticated user or any user when no password is...