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CVE-2026-34873
CRITICAL9.1
Description
An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session.
CVE Details
CVSS v3.1 Score9.1
SeverityCRITICAL
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published4/1/2026
Last Modified4/3/2026
Sourcenvd
Honeypot Sightings0
Weaknesses (CWE)
CWE-287
References
IOC Correlations
No correlations recorded
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