CVE-2026-39819

5.3 MEDIUM
Published: May 07, 2026 Modified: May 13, 2026
View on 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://go.dev/cl/763882
Source: security@golang.org
Patch
https://go.dev/issue/78584
Source: security@golang.org
Issue Tracking
https://groups.google.com/g/golang-announce/c/qcCIEXso47M
Source: security@golang.org
Issue Tracking Mailing List
https://pkg.go.dev/vuln/GO-2026-4978
Source: security@golang.org
Vendor Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.2%
8th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

golang