medium5.7
CVE-2026-1502
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
Impact
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
Affected packages
This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69
- https://github.com/python/cpython/commit/56b7100b04e44ea27989242b176beb8f016b2c53
- https://github.com/python/cpython/commit/58703ec1bdd1eb075e8b01a0c427683ce594dd3e
- https://github.com/python/cpython/commit/9e071c9b28c17f347f81b388a003d4eeb3c7a8dd
- https://github.com/python/cpython/commit/b1cf9016335cb637c5a425032e8274a224f4b2ed
- https://github.com/python/cpython/commit/c00c386faa579ad71196d33408644478488e43ec
- 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