CVE-2026-5223

MediumCVSS 5.3/10Last modified Jul 23, 2026

Description

Cargo incorrectly handled symlinks inside of crate tarballs downloaded from third-party registries, allowing a malicious crate to override the source code of another crate from the same registry. The severity of the vulnerability is **medium** for users of third-party registries. Users of crates.io are **not affected**, as crates.io forbids uploading crates containing any symlink.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-61

Affected software

No affected versions have been published.

Timeline

Published: May 25, 2026
Last modified: Jul 23, 2026
NVD status: Analyzed

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