PT-2026-26366 · Wolfssl · Wolfssl

Published 2026-03-19 · Updated 2026-03-22 · CVE-2026-3230

Positive Technologies · (AI Summary)

CVSS v4.0

1.2

Low

AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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:Y/R:A/V:D/RE:X/U:Clear

Name of the Vulnerable Software and Affected Versions wolfSSL (affected versions not specified)

Description A missing cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could compromise the confidentiality of TLS-protected communications. This occurs through a crafted HelloRetryRequest followed by a ServerHello message that omits the required key share extension, leading to predictable traffic secrets derived from (EC)DHE shared secrets.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-3230

Affected Products

Wolfssl

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-3230 · Security Note
• https://github.com/wolfSSL/wolfssl/pull/9754 · Note
• https://twitter.com/CVEnew/status/2035627053811122564 · Twitter Post
• https://twitter.com/infoflowcloud/status/2035627828465619244 · Twitter Post