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 removal of Authorization headers in cross-origin requests when the scheme, host, or port changes. Consequently, when a redirect downgrades from HTTPS to HTTP, the Authorization header may be inadvertently exposed in plaintext, leading to potential sensitive information disclosure to unauthorized actors. The flaw is located in the _build_redirect_request function of the redirect middleware.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-1419 | 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 removal of Authorization headers in cross-origin requests when the scheme, host, or port changes. Consequently, when a redirect downgrades from HTTPS to HTTP, the Authorization header may be inadvertently exposed in plaintext, leading to potential sensitive information disclosure to unauthorized actors. The flaw is located in the _build_redirect_request function of the redirect middleware. |
Github GHSA |
GHSA-4qqq-9vqf-3h3f | Scrapy leaks the authorization header on same-domain but cross-origin redirects |
Ubuntu USN |
USN-7476-1 | Scrapy vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 16 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
|
epss
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Tue, 15 Jul 2025 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Scrapy
Scrapy scrapy |
|
| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:a:scrapy:scrapy:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Scrapy
Scrapy scrapy |
Status: PUBLISHED
Assigner: @huntr_ai
Published:
Updated: 2024-08-01T18:56:22.474Z
Reserved: 2024-02-28T11:17:28.937Z
Link: CVE-2024-1968
Updated: 2024-08-01T18:56:22.474Z
Status : Analyzed
Published: 2024-05-20T08:15:08.850
Modified: 2025-07-15T16:01:53.633
Link: CVE-2024-1968
No data.
OpenCVE Enrichment
Updated: 2025-07-12T23:06:07Z
EUVD
Github GHSA
Ubuntu USN