CVE-2026-5223

Name
CVE-2026-5223
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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
986d4109-89ea-491f-99fd-a8e4803919bd https://blog.rust-lang.org/2026/05/25/cve-2026-5223/
986d4109-89ea-491f-99fd-a8e4803919bd https://github.com/rust-lang/cargo/pull/17031
986d4109-89ea-491f-99fd-a8e4803919bd https://groups.google.com/g/rustlang-security-announcements/c/IB74S7Yksg8

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:rust-lang:cargo:*:*:*:*:*:rust:*:* cargo >= None < 1.96.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
rust edge-main 1.96.0-r0 team/rust <alpine@ptrcnull.me> fixed
rust 3.24-main 1.96.0-r0 team/rust <alpine@ptrcnull.me> fixed
rust 3.23-main 1.91.1-r2 team/rust <alpine@ptrcnull.me> fixed