CVE•Published 2026-05-25•Modified 2026-06-01•0 articles on news•5 live references•NVD data

CVE-2026-5223Rust-lang · Cargo

Vulnerability data via NVD (ingested)

CVSS v3.1

5.3

MEDIUM

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

EPSS percentile

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Weaknesses (CWE)

CWE-61UNIX Symbolic Link (Symlink) Following

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.

Timeline

Published 2026-05-25

Modified 2026-06-01

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-5223

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Rust-lang Cargo"

All exposed Rust-lang Cargo instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Cargo"

HTTP body or banner mentions "Cargo" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-5223