CVEvulnerability
CVE-2026-1502
5.7 MEDIUM
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-04-10
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.7 MEDIUM — 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
- Weaknesses
- CWE-93
Description
CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.
Related
Weakness · CWE (1)
- CWE-93 Improper Neutralization of CRLF Sequences weakness
References
- https://github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69 github.com
- https://github.com/python/cpython/commit/56b7100b04e44ea27989242b176beb8f016b2c53 github.com
- https://github.com/python/cpython/commit/58703ec1bdd1eb075e8b01a0c427683ce594dd3e github.com
- https://github.com/python/cpython/commit/9e071c9b28c17f347f81b388a003d4eeb3c7a8dd github.com
- https://github.com/python/cpython/commit/b1cf9016335cb637c5a425032e8274a224f4b2ed github.com
- https://github.com/python/cpython/commit/c00c386faa579ad71196d33408644478488e43ec github.com
- https://github.com/python/cpython/issues/146211 github.com
- https://github.com/python/cpython/pull/146212 github.com
- https://mail.python.org/archives/list/[email protected]/thread/2IVPAEQWUJBCTQZEJEVTYCIKSMQPGRZ3/ mail.python.org
- http://www.openwall.com/lists/oss-security/2026/04/11/4 www.openwall.com