CVE-2026-42505
Published: July 10, 2026Last modified: July 13, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | go | Fixed (1.25.12-r0) |
| 25 LTS | go | Vulnerable (1.24.3-r0) | |
| Stream | go | Fixed (1.26.5-r0) | |
| Hardened Containers | 23 LTS | go | Vulnerable (1.19.7-r0) |
| 25 LTS | go | Vulnerable (1.24.3-r0) | |
| Stream | go | Vulnerable (1.20.5-r2) |