๐Ÿ” CVE Alert

CVE-2026-34873

CRITICAL 9.1
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
5th

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.

Vendor n/a
Product n/a
Published Apr 1, 2026
Last Updated Apr 2, 2026
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Affected Versions

n/a / n/a
n/a

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
mbed-tls.readthedocs.io: https://mbed-tls.readthedocs.io/en/latest/security-advisories/ mbed-tls.readthedocs.io: https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-client-impersonation-while-resuming-tls13-session/