Security Advisory

CVE-2026-3644

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-03-16 17:37:31

Last updated 2026-06-30 15:11:21

Assigner PSF

CVSS score 6.0

State PUBLISHED

Description

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().

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