PYSEC-2026-4299 Scrapy: Arbitrary Module Import via Referrer-Policy Header in RefererMiddleware

Impact Since version 1.4.0, Scrapy respects the Referrer-Policy response header to decide whether and how to set a Referer header on follow-up requests. If the header value looked like a valid Python import path, Scrapy would import the referenced object and call it, assuming it referred to a...

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 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,...

DEBIAN-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,...

UBUNTU-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,...

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,...

Linux Distros Unpatched Vulnerability : CVE-2026-105782

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-105782: Use of Externally-Controlled Input to Select Classes or Code

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

The Scrapy web crawling framework (versions 1.4.0 through 2.14.1) is vulnerable to arbitrary module import via the Referrer-Policy response header. The RefererMiddleware in scrapy/spidermiddlewares/referer.py incorrectly treats values resembling Python import paths as referrer policy classes, imp...

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,...

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: 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,...

Unsafe Reflection

Overview Scrapy is a high-level web crawling and web scraping framework, used to crawl websites and extract structured data from their pages. Affected versions of this package are vulnerable to Unsafe Reflection via the Referrer-Policy header handled by RefererMiddleware. An attacker can execute...

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...