CVE-2026-0672
Medium
Published: 20 January 2026
Published
20 January 2026
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v4
6.0
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/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
EPSS Score
0.0021
42.6th percentile
Risk Priority
12
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2026-0672 is a medium-severity CRLF Injection (CWE-93) vulnerability in Python (inferred from references). Its CVSS base score is 6.0 (Medium).
Operationally, ranked at the 42.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-3521
Vulnerability details
When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Python
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inferred from references and description; NVD did not file a CPE for this CVE
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.