Golang: stdlib: security update to 1.25.10stdlib: security update to 1.26.3

medium Tenable Cloud Security Plugin ID 441499

Description

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

- The "go tool pack" subcommand (usually used only by the compiler as an internal tool with known-good
inputs) does not sanitize output filenames. Extracting a malicious archive file with the "pack" subcommand
can write files to arbitrary locations on the filesystem. (CVE-2026-39817)

Solution

Update the stdlib library and its related packages to version 1.25.10 or later.

See Also

https://pkg.go.dev/vuln/GO-2026-4979

Plugin Details

Severity: Medium

ID: 441499

Version: Revision 1.5

Type: Local

Family: Golang

Published: 5/8/2026

Updated: 6/29/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-39817

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/7/2026

Vulnerability Publication Date: 5/7/2026

Reference Information

CVE: CVE-2026-39817