Shopware SSO referer trust leading to an arbitrary redirect target

Description This report describes an open redirect in Shopware's public SSO entry point at GET /api/oauth/sso/auth. When the endpoint is reached without the expected SSO session state, the application falls back to the request's Referer header and uses that value as the redirect destination. In t...

Nuxt: Reflected XSS in `navigateTo()` external redirect

Summary navigateTo with external: true generates a server-side HTML redirect body containing a tag. The destination URL is only sanitized by replacing " with %22, leaving , &, and ' unencoded. An attacker who can influence the URL passed to navigateTourl, external: true can break out of the...

GHSA-FX6J-W5W5-H468 Nuxt: Reflected XSS in `navigateTo()` external redirect

Summary navigateTo with external: true generates a server-side HTML redirect body containing a tag. The destination URL is only sanitized by replacing " with %22, leaving , &, and ' unencoded. An attacker who can influence the URL passed to navigateTourl, external: true can break out of the...

CVE-2026-39376

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

FastFeedParser has an infinite redirect loop DoS via meta-refresh chain

Summary When parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An attacker-controlled server that returns an infinite chain of HTML meta-refresh response...

EUVD-2026-19915

FastFeedParser has an infinite redirect loop DoS via meta-refresh chain...

GHSA-4GX2-PC4F-WQ37 FastFeedParser has an infinite redirect loop DoS via meta-refresh chain

Summary When parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An attacker-controlled server that returns an infinite chain of HTML meta-refresh response...

Uncontrolled Recursion

Overview fastfeedparser is a High performance RSS, Atom, JSON and RDF feed parser in Python Affected versions of this package are vulnerable to Uncontrolled Recursion through the parse function when processing HTML responses containing a tag, which leads to unbounded recursion without a redirect...

CVE-2026-39376

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

PYSEC-2026-60

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

PYSEC-2026-60

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

CVE-2026-39376

FastFeedParser is affected by CVE-2026-39376 prior to version 0.5.10. When parse() fetches a URL returning an HTML page with a tag, it may recursively call itself on the redirect URL without a depth limit, visited-URL deduplication, or redirect count cap. An attacker-controlled server that emits...

CVE-2026-39376

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

CVE-2026-39376 FastFeedParser has an infinite redirect loop DoS via meta-refresh chain

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

CVE-2026-39376 FastFeedParser has an infinite redirect loop DoS via meta-refresh chain

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

FastFeedParser 安全漏洞

FastFeedParser is a high-performance Python library for parsing RSS and Atom feeds, open-sourced by Kagi Search. Versions of FastFeedParser prior to 0.5.10 contained a security vulnerability. This vulnerability stemmed from the lack of a recursive depth limit when parsing HTML meta refresh tags,...

PT-2026-31006

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

CVE-2026-39376: Uncontrolled Recursion

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

SUSE CVE-2026-27142

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actio...

AZL-79640 CVE-2026-27142 affecting package python-tensorboard 2.16.2-6

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actio...