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A GitHub-reviewed security advisory, not necessarily under active exploitation the way our CISA KEV advisories are, but a real, disclosed vulnerability in an open-source dependency.
Affected packages
Vulnerable: <= 3.14.3
Patched in 3.14.4
Details
An attacker sending an absolute-form request can spoof the scheme used.
If user code depends on the Request.scheme attribute for anything security related, an attacker may be able to circumvent this logic, tricking the application into thinking a connection is encrypted when it is not, or vice versa.
A WAF rule to reject absolute-form requests (legitimate requests should only use this form for proxies).
EPSS, exploit probability
Low0.36%
estimated chance of real-world exploitation in the next 30 days, higher than 28.9% of every CVE FIRST.org scores
Refreshed 10/20/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.
Talk to us about this
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A secure code review or supply chain review finds this before an advisory does.