Scrapy vulnerabilities
We track 7 vulnerabilities in Scrapy products across 3 products. 7 are rated high or critical, and none are known to be exploited. The most recent was published on October 6, 2026.
Latest Scrapy vulnerabilities
- 7.5 High severity
scrapy: 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 cl
- 7.4 High severity
scrapy: Cleartext Transmission of Sensitive Information
Scrapy is a high-level web crawling and scraping framework for Python. Prior to 2.17.0, in scrapy/core/downloader/handlers/s3.py, Scrapy's S3DownloadHandler converts an S3-scheme bucket and key request into a plaintext HTTP request to the corresponding S3 endp
- 7.1 High severity
protego: Uncontrolled Resource Consumption
Protego is a pure-Python robots.txt parser with support for modern conventions. Prior to 0.6.2, protego._urlpattern._URLPattern._prepare_pattern_for_regex translates every asterisk in an Allow or Disallow directive into a lazy regular-expression wildcard, so a
- 7.5 High severity
scrapy/scrapy: Uncontrolled Resource Consumption
Scrapy versions up to 2.13.2 are vulnerable to a denial of service (DoS) attack due to a flaw in its brotli decompression implementation. The protection mechanism against decompression bombs fails to mitigate the brotli variant, allowing remote servers to cras
- 7.5 High severity
scrapy/scrapy: Exposure of Sensitive Information to an Unauthorized Actor
In scrapy/scrapy, an issue was identified where the Authorization header is not removed during redirects that only change the scheme (e.g., HTTPS to HTTP) but remain within the same domain. This behavior contravenes the Fetch standard, which mandates the remov
- 7.5 High severity
scrapy/scrapy: Exposure of Sensitive Information to an Unauthorized Actor
In scrapy version 2.10.1, an issue was identified where the Authorization header, containing credentials for server authentication, is leaked to a third-party site during a cross-domain redirect. This vulnerability arises from the failure to remove the Authori
- 7.5 High severity
scrapy/scrapy: Improper Handling of Highly Compressed Data (Data Amplification)
The scrapy/scrapy project is vulnerable to XML External Entity (XXE) attacks due to the use of lxml.etree.fromstring for parsing untrusted XML data without proper validation. This vulnerability allows attackers to perform denial of service attacks, access loca