Detections
Analytics
CVE-2026-1502
medium
Description
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
References
https://mail.python.org/archives/list/[email protected]/thread/2IVPAEQWUJBCTQZEJEVTYCIKSMQPGRZ3/
https://github.com/python/cpython/pull/146212
https://github.com/python/cpython/issues/146211
https://github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69
Details
Published: 2026-04-10
Updated: 2026-04-10
Risk Information
CVSS v2
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
CVSS v3
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
CVSS v4
Base Score: 5.7
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Severity: Medium