CVE-2026-3644

Katalog CVE

CVSS 7.5 · High EPSS 0,50%

Kerentanan Improper Input Validation pada python. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().

Rincian

Terbit di NVD

16 Maret 2026

Terakhir diubah

13 Agustus 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation
CWE-116: Improper Encoding or Escaping of Output

EPSS (30 hari)

0,50% peluang dieksploitasi; lebih tinggi dari 40,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/python/cpython/commit/57e88c1cf95e1481b94ae57abe1010469d47a6b4 patch
• https://github.com/python/cpython/commit/62ceb396fcbe69da1ded3702de586f4072b590dd patch
• https://github.com/python/cpython/commit/d16ecc6c3626f0e2cc8f08c309c83934e8a979dd patch
• https://github.com/python/cpython/pull/145600 patch
• https://mail.python.org/archives/list/security-announce@python.org/thread/H6CADMBCDRFGWCMOXWUIHFJNV43GABJ7/ advisory pihak ketiga
• https://github.com/python/cpython/commit/3974092b037f9a3b000fb15b48ea61ce3b25d330
• https://github.com/python/cpython/commit/556aa098e738b127c714866f819b4abe2f7593d8
• https://github.com/python/cpython/commit/dae4b1a21f8df4570e30986affd61bbe4ade4cef
• https://github.com/python/cpython/issues/145599 issue tracking