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gleam-lang/gleam vulnerabilities

CVEs whose affected-version data names the gleam-lang/gleam package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

5 CVEsRSS

CVE-2026-103061Medium· 5.9
3w ago

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in gleam-lang gleam allows a malicious package publisher to delete a directory outside the project's build directory when a developer builds a p…

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in gleam-lang gleam allows a malicious package publisher to delete a directory outside the project's build directory when a developer builds a p…

▾ SunlitGleam · gleamEPSS 0.40%via NVD
CVE-2026-59247High· 7.6
3mo ago

Insufficient Verification of Data Authenticity vulnerability in Gleam allows an adversary in the middle to substitute forged Hex package contents during dependency resolution. During dependency resolution Gleam fetches package metadata …

Insufficient Verification of Data Authenticity vulnerability in Gleam allows an adversary in the middle to substitute forged Hex package contents during dependency resolution. During dependency resolution Gleam fetches package metadata …

▾ Twilightgleam-lang · gleam.run/gleamEPSS 0.18%via NVD
CVE-2026-43965Medium· 5.6PoC
5mo ago

Path traversal vulnerability in Gleam's dependency management allows arbitrary directory deletion via malicious build/packages/packages.toml content. Package keys read from build/packages/packages.toml by LocalPackages::read_from_disc a…

Path traversal vulnerability in Gleam's dependency management allows arbitrary directory deletion via malicious build/packages/packages.toml content. Package keys read from build/packages/packages.toml by LocalPackages::read_from_disc a…

▾ TwilightGleam · gleamEPSS 0.23%via NVD
CVE-2026-42795Medium· 5.1PoC
5mo ago

Symlink following vulnerability in Gleam's Hex package export allows files outside the project root to be embedded in the generated package tarball. The file collection helpers (gleam_files, native_files, private_files) in compiler-cli/…

Symlink following vulnerability in Gleam's Hex package export allows files outside the project root to be embedded in the generated package tarball. The file collection helpers (gleam_files, native_files, private_files) in compiler-cli/…

▾ TwilightGleam · gleamEPSS 0.20%via NVD
CVE-2026-32685Medium· 4.6PoC
5mo ago

Path traversal vulnerability in Gleam's handling of custom documentation pages allows arbitrary file read and file write outside the intended documentation output directory. The documentation.pages entries from gleam.toml are incorporat…

Path traversal vulnerability in Gleam's handling of custom documentation pages allows arbitrary file read and file write outside the intended documentation output directory. The documentation.pages entries from gleam.toml are incorporat…

▾ TwilightGleam · gleamEPSS 0.23%via NVD
gleam-lang/gleam vulnerabilities (CVEs) · VulnSea