The "go bug" command writes to two files with predictable names in the system temporary directory (for example, "/tmp").

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 7, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe golang/goversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-39819

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-39819

  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.

  nvd.nist.gov

References

• Patch · go.dev
• Issue Tracking · go.dev
• Issue Tracking · groups.google.com
• Vendor Advisory · pkg.go.dev