PYSEC-2026-2430 Crawlee for Python: SSRF via sitemap-derived URLs

Overview - Vulnerability type: Blind SSRF - Affected components: src/crawlee/utils/sitemap.py, src/crawlee/utils/robots.py, src/crawlee/requestloaders/sitemaprequestloader.py, and all built-in HTTP clients. - Trigger: an attacker-controlled sitemap or robots.txt containing a URL that points to an...

PYSEC-2026-2561 Denial of service in langchain-community

Denial of service in SitemapLoader Document Loader in the langchain-community package, affecting versions below 0.2.5. The parsesitemap method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion when a sitemap URL refers to the current sitemap...

GHSA-3HJH-JH2H-VRG6 Denial of service in langchain-community

Denial of service in SitemapLoader Document Loader in the langchain-community package, affecting versions below 0.2.5. The parsesitemap method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion when a sitemap URL refers to the current sitemap...

PYSEC-2024-118

A Denial-of-Service DoS vulnerability exists in the SitemapLoader class of the langchain-ai/langchain repository, affecting all versions. The parsesitemap method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion when a sitemap URL refers to the...

PYSEC-2024-118

A Denial-of-Service DoS vulnerability exists in the SitemapLoader class of the langchain-ai/langchain repository, affecting all versions. The parsesitemap method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion when a sitemap URL refers to the...

PT-2024-22949

Name of the Vulnerable Software and Affected Versions langchain-ai/langchain versions prior to 0.2.5 langchain-community versions prior to 0.2.5 Description A Denial-of-Service DoS issue exists in the SitemapLoader class due to the parse sitemap method lacking a mechanism to prevent infinite...