Moole Vulnerability Database

Find real vulnerabilities before they ship

Medium

CVE-2026-1502

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.

VectorNETWORK

PublishedApr 10, 2026, 18:16

Published Bycna@python.org

Base Score

Score5.7

Affected Versions

No affected versions found.

References

https://github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69
https://github.com/python/cpython/commit/b1cf9016335cb637c5a425032e8274a224f4b2ed
https://github.com/python/cpython/issues/146211
https://github.com/python/cpython/pull/146212
https://mail.python.org/archives/list/security-announce@python.org/thread/2IVPAEQWUJBCTQZEJEVTYCIKSMQPGRZ3/
http://www.openwall.com/lists/oss-security/2026/04/11/4

Weakness Type

CWE-93

CVSS Metrics

Base Score

5.7

Vector String

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base SeverityMedium

Version

4.0

Attack Vector (AV)

NETWORK