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NVD Vulnerability Details :
CVE-2026-39819
Undergoing Analysis
More InfoOfficial Page
Source-security@golang.org
View Known Exploited Vulnerability (KEV) details
Published At-07 May, 2026 | 20:16
Updated At-08 May, 2026 | 22:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
CPE Matches
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://go.dev/cl/763882security@golang.org
N/A
https://go.dev/issue/78584security@golang.org
N/A
https://groups.google.com/g/golang-announce/c/qcCIEXso47Msecurity@golang.org
N/A
https://pkg.go.dev/vuln/GO-2026-4978security@golang.org
N/A
Hyperlink: https://go.dev/cl/763882
Source: security@golang.org
Resource: N/A
Hyperlink: https://go.dev/issue/78584
Source: security@golang.org
Resource: N/A
Hyperlink: https://groups.google.com/g/golang-announce/c/qcCIEXso47M
Source: security@golang.org
Resource: N/A
Hyperlink: https://pkg.go.dev/vuln/GO-2026-4978
Source: security@golang.org
Resource: N/A
Change History
0Changes found
Details not found