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CVE-2026-39819

The "go bug" command writes to two files with predictable names in the system temporary directory (for…

CVSS 3.1 · [email protected] · Primary 5.3 MEDIUMCVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 12 Nov 2026 15:18:43 UTC. Read the latest advisory.

nvd · CVE-2026-39819

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2026-39819

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-59

Original publisher date fields

published: 2026-05-07T20:16:43.083

lastModified: 2026-11-11T23:10:00.263

1 source CPE criteria · context only

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON