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.
Published: 2026-05-07
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 13 May 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-118
CWE-22

Wed, 13 May 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Golang
Golang go
Weaknesses CWE-59
CPEs cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
Vendors & Products Golang
Golang go

Mon, 11 May 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Gotoolchain
Gotoolchain cmd/go
Vendors & Products Gotoolchain
Gotoolchain cmd/go

Sat, 09 May 2026 01:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-118
CWE-22

Sat, 09 May 2026 00:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22

Fri, 08 May 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 07 May 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22

Thu, 07 May 2026 20:00:00 +0000

Type Values Removed Values Added
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.
Title Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published:

Updated: 2026-05-08T21:29:53.674Z

Reserved: 2026-04-07T18:13:03.526Z

Link: CVE-2026-39819

cve-icon Vulnrichment

Updated: 2026-05-08T16:57:14.663Z

cve-icon NVD

Status : Analyzed

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

Modified: 2026-05-13T15:05:41.943

Link: CVE-2026-39819

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T20:00:04Z

Weaknesses