Path Traversal in Gleam

CVE-2026-32146

Improper path validation vulnerability in the Gleam compiler's handling of git dependencies allows arbitrary file system modification during dependency download. Dependency names from gleam.toml and manifest.toml are incorporated into fil…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Gleam — versions 1.9.0-rc1, a4fde22445ab8e5cc79c2ff48971616cb570702c, v1.9.0-rc1-elixir
  • Lpil Gleam

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-32146?
CVE-2026-32146 is a high-severity vulnerability in Gleam, classified under Path Traversal. CVSS score: 7.8/10. Published 2026-04-11.
How severe is CVE-2026-32146?
High severity. CVSS v3 base score is 7.8 out of 10.