CVE-2026-39819
Published: May 13, 2026Last modified: May 16, 2026
Description
The "go bug" command writes to two files with predictable names in the system temporary directory (for example, "/tmp"). An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | HIGH |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | go | Fixed (1.25.10-r0) |
| 25 LTS | go | Fixed (1.25.10-r0) | |
| Stream | go | Fixed (1.26.3-r0) | |
| Hardened Containers | 23 LTS | go | Fixed (1.25.10-r0) |
| 25 LTS | go | Fixed (1.25.10-r0) | |
| Stream | go | Fixed (1.26.3-r0) |