VDB

CVE-2026-39817

CVE-2026-39817 PUBLISHED

The "go tool pack" subcommand (usually used only by the compiler as an internal tool with known-good inputs) does not sanitize output filenames. Extracting a malicious archive file with the "pack" subcommand can write files to arbitrary locations on the filesystem.

EPSS 0.00% · 0.2th percentile

Risk Scores

EPSS Score
0.00%
0.2th percentile

Affected Products

VendorProductVersions
Go toolchaincmd/go0, 1.26.0-0

Timeline

  • May 7, 2026 CVE Published
  • May 7, 2026 PoC Published
  • May 8, 2026 Security Advisory
  • May 8, 2026 CVE Updated
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
  • May 25, 2026 EPSS Score
Open in Interactive Console →
$ Console Community · 100/wk Open console ›