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Review reviewHigh

CVE-2026-32146

Gleam Gleam, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7

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 filesystem paths without sufficient validation or confinement to the intended dependency directory, allowing attacker-controlled paths (via relative traversal such as ../ or absolute paths) to target filesystem locations outside that directory. When resolving git dependencies (e.g. via gleam deps download), the computed path is used for filesystem operations i...

CVSS
8.3
EPSS
0.24%
15.1% percentile
CISA KEV
Not listed
Published
2026.04.11
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.24%
Technical severityCVSS 8.3

Vulnerability overview

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 filesystem paths without sufficient validation or confinement to the intended dependency directory, allowing attacker-controlled paths (via relative traversal such as ../ or absolute paths) to target filesystem locations outside that directory. When resolving git dependencies (e.g. via gleam deps download), the computed path is used for filesystem operations i...

Affected product and versions

Product
Gleam Gleam, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7
Affected versions
>= 1.9.0-rc1, >= a4fde22445ab8e5cc79c2ff48971616cb570702c, >= v1.9.0-rc1-elixir < v1.15.4-elixir, >= v1.9.0-rc1-erlang < v1.15.4-erlang, >= v1.9.0-rc1-node < v1.15.4-node, >= v1.9.0-rc1-node-slim < v1.15.4-node-slim, >= v1.9.0-rc1-elixir-slim < v1.15.4-elixir-slim, >= v1.9.0-rc1-erlang-slim < v1.15.4-erlang-slim, >= v1.9.0-rc1-erlang-alpine < v1.15.4-erlang-alpine, >= v1.9.0-rc1-elixir-alpine < v1.15.4-elixir-alpine, >= v1.9.0-rc1-node-alpine < v1.15.4-node-alpine, >= v1.9.0-rc1-scratch < v1.15.4-scratch, >= 1.9.0 < 1.15.4
Fixed versions
1.15.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Gleam Gleam, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-22
CVE-2026-32146 — Gleam Gleam, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7 | SECUFOCUS NOW