Golang: stdlib: security update to 1.25.12stdlib: security update to 1.26.5stdlib: security update to 1.27.0-rc.2

high Tenable Cloud Security Plugin ID 444518

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root
when the final path component of the a path is a symbolic link and the path ends in /. For example,
'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the
root. (CVE-2026-39822)

Solution

Update the stdlib library and its related packages to version 1.25.12 or later.

See Also

https://pkg.go.dev/vuln/GO-2026-4970

Plugin Details

Severity: High

ID: 444518

Version: Revision 1.1

Type: Local

Family: Golang

Published: 7/8/2026

Updated: 7/8/2026

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-39822

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/7/2026

Vulnerability Publication Date: 7/7/2026

Reference Information

CVE: CVE-2026-39822