Scrapy HTTP authentication credentials potentially leaked to target websites

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.013, the 70th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 6 Oct 2021. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-jwqp-28gf-p498
• OSV: GHSA-jwqp-28gf-p498
• github.com/scrapy/scrapy/security/advisories/GHSA-jwqp-28gf-p498
• nvd.nist.gov/vuln/detail/CVE-2021-41125
• github.com/scrapy/scrapy/commit/b01d69a1bf48060daec8f751368622352d8b85a6
• github.com/pypa/advisory-database/tree/main/vulns/scrapy/PYSEC-2021-363.yaml
• github.com/scrapy/scrapy
• lists.debian.org/debian-lts-announce/2022/03/msg00021.html
• w3lib.readthedocs.io/en/latest/w3lib.html#w3lib.http.basic_auth_header
• doc.scrapy.org/en/latest/topics/downloader-middleware.html#module-scrapy.downloadermiddlewares.httpauth

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.