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CVE WatchSep 14, 2026

CVE-2026-25832

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.

CVSS

3.7

Low

EPSS

0.2%

p12

KEV

Exploit Today

4

0-100

Published: Sep 14, 2026 · Last modified: Sep 14, 2026 · CWE-669

EPSS · 30d
0.2%EPSS · 30 days0.2%
2026-09-142026-09-15
Technical description

In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.

Official references
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