CVE-2018-18074
CVSS v3
7.5
HIGH
EPSS Score
7.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, which makes it easier for remote attackers to discover credentials by sniffing the network.
Technical details
- Published
- 2018-10-09
Frequently asked questions
What is CVE-2018-18074?
The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, which makes it easier for remote attackers to discover credentials by sniffing the network.
Is CVE-2018-18074 actively exploited?
Active exploitation of CVE-2018-18074 has not been confirmed. Its EPSS score was 7.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-18074?
CVE-2018-18074 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-18074 affecting your environment?
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