CVE-2024-3574 Authorization Header Leak During Cross-Domain Redirect in scrapy/scrapy

What is CVE-2024-3574?

CVE-2024-3574 is a high-severity vulnerability in scrapy/scrapy, published on 16 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 Authorization header when redirecting across domains. The exposure of the Authorization header to unauthorized actors could potentially allow for account hijacking.

Weakness: CWE-200

Which versions are affected by CVE-2024-3574?

5 open source packages ship an affected version, including scrapy. It affects 1 product.

Products include Scrapy Scrapy.

How do I fix CVE-2024-3574?

Upgrade scrapy to a fixed version for your release line: 1.8.4 or 2.11.1.

Is CVE-2024-3574 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3574 exists.

Other vulnerabilities in scrapy/scrapy

• CVE-2024-1968 Authorization Header Leakage in scrapy/scrapy on Scheme Change Redirects High 7.5
• CVE-2024-3572 XML External Entity (XXE) Vulnerability in scrapy/scrapy High 7.5
• CVE-2024-1892 ReDoS Vulnerability in scrapy/scrapy's XMLFeedSpider High 7.5
• CVE-2017-14158 Scrapy denial of service vulnerability High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-3574, GHSA-cw9j-q3vf-hrrv, PYSEC-2026-1908, UBUNTU-CVE-2024-3574.