CVE-2026-3644

| EUVD-2026-12484 MEDIUM
2026-03-16 [email protected]
6.0
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None

Lifecycle Timeline

3
EUVD ID Assigned
Mar 16, 2026 - 18:30 euvd
EUVD-2026-12484
Analysis Generated
Mar 16, 2026 - 18:30 vuln.today
CVE Published
Mar 16, 2026 - 18:16 nvd
MEDIUM 6.0

Tags

Authentication Bypass

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().

Analysis

CVE-2026-3644 is a security vulnerability (CVSS 6.0). Remediation should follow standard vulnerability management procedures.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +30
POC: 0

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CVE-2026-3644 vulnerability details – vuln.today
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