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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

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 over…

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.

Additional publisher context

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.

Source published
7 May 2026 20:16:43 UTC
Source modified
11 Nov 2026 23:10:00 UTC
Saved here
12 Nov 2026 15:18:43 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

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

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · [email protected] · Primary · 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N

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Sources read 13 Nov 04:05 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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