CVE-2026-105782

A flaw was found in Scrapy. A remote attacker controlling a malicious website can cause a Denial of Service DoS by providing a specially crafted Referrer-Policy HTTP response header. When processing the response, the RefererMiddleware treats the header value as a Python import path and executes t...

CVE-2026-105782 Scrapy: Arbitrary Module Import via Referrer-Policy Header in RefererMiddleware

Scrapy is a high-level web crawling and scraping framework for Python. From 1.4.0 until 2.14.2, RefererMiddleware in scrapy/spidermiddlewares/referer.py treated a Referrer-Policy response-header value that resembled a Python import path as a referrer policy class, imported the referenced object,...

CVE-2026-105782 Scrapy: Arbitrary Module Import via Referrer-Policy Header in RefererMiddleware

Scrapy is a high-level web crawling and scraping framework for Python. From 1.4.0 until 2.14.2, RefererMiddleware in scrapy/spidermiddlewares/referer.py treated a Referrer-Policy response-header value that resembled a Python import path as a referrer policy class, imported the referenced object,...

CVE-2026-105782

Scrapy is a high-level web crawling and scraping framework for Python. From 1.4.0 until 2.14.2, RefererMiddleware in scrapy/spidermiddlewares/referer.py treated a Referrer-Policy response-header value that resembled a Python import path as a referrer policy class, imported the referenced object,...

PT-2026-106277

Name of the Vulnerable Software and Affected Versions Scrapy versions 1.4.0 through 2.14.1 Description RefererMiddleware in scrapy/spidermiddlewares/referer.py incorrectly handles the Referrer-Policy response header. If the header value resembles a Python import path, the framework imports the...

CVE-2017-5385

Data sent with in multipart channels, such as the multipart/x-mixed-replace MIME type, will ignore the referrer-policy response header, leading to potential information disclosure for sites using this header. This vulnerability affects Firefox 51...