5.3

CVE-2026-42505

Invoking Encrypted Client Hello privacy leak in crypto/tls

Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Golang ≫ Go Version < 1.25.12
Golang ≫ Go Version >= 1.26.0 < 1.26.5
Golang ≫ Go Version1.27 Updaterc1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.309
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-201 Insertion of Sensitive Information Into Sent Data

The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.

https://groups.google.com/g/golang-announce/c/OrmQE_Yp5Sc
Vendor Advisory
Mailing List
Release Notes
https://go.dev/cl/775960
Patch
https://go.dev/issue/79282
Patch
Issue Tracking
https://pkg.go.dev/vuln/GO-2026-5856
Vendor Advisory