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CVE-2026-39819

nvd nist
Published: May 7, 2026Modified: Jun 17, 2026

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5.3
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
Exploitability: 1.0 / Impact: 4.2
Source: NVD

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.

Affected (2)

Products: Golang: Go
Golang
1 product
Go
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Golang
Go
Before 1.25.10
Go
From 1.26.0 to 1.26.3

Related CWEs

CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (4)

Source: security@golang.org
Patch
Source: security@golang.org
Issue Tracking
Source: security@golang.org
Issue TrackingMailing List
Source: security@golang.org
Vendor Advisory

Timeline

No history available yet.