CVE-2026-25832CWE-669

CVE-2026-25832

Low · published September 14, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00282 · 19.6th percentile
Weakness
CWE-669 · Incorrect Resource Transfer Between Spheres
Published
2026-09-14T11:17Z
References (2)
https://mbed-tls.readthedocs.io/en/latest/security-advisories/ · [email protected]https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-tls13-hrr-unadvertised-group/ · [email protected]
EPSS history
Timeline
  • 15 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 14 SEP 00:00Z
    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
    cvelistv5