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high

CVE-2026-44431

urllib3 forwards sensitive headers across origins in proxied low-level redirects

Severity
high
Affected product
urllib3
Affected versions
urllib3 ≥ 1.23, < 2.7.0
Fixed in
urllib3 2.7.0
Detection basis
Component version range
Shipped rule
urllib3: urllib3 forwards sensitive headers across origins in proxied low-level redirects
Added to NewScan
2026-09-30
Detected by
NewScan — free, self-hosted

How NewScan reports it

COMPONENT VERSION RANGE

NewScan fingerprints urllib3 from its response and reports this CVE when the detected version falls inside the affected range below.

References

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