CVE-2026-39819

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.3 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

May 07, 2026

Last Modified

May 13, 2026

CWE ID

CWE-59

Source

NVD

Vendor

Go toolchain

Product

cmd/go

External References

https://go.dev/cl/763882
https://go.dev/issue/78584
https://groups.google.com/g/golang-announce/c/qcCIEXso47M
https://pkg.go.dev/vuln/GO-2026-4978

CVE-2026-39819

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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