🛡️ CVE-2019-16760 — cargo

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-494 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Cargo prior to Rust 1.26.0 may download the wrong dependency

Cargo prior to Rust 1.26.0 may download the wrong dependency if your package.toml file uses the package configuration key. Usage of the package key to rename dependencies in Cargo.toml is ignored in Rust 1.25.0 and prior. When Rust 1.25.0 and prior is used Cargo may download the wrong dependency, which could be squatted on crates.io to be a malicious package. This not only affects manifests that you write locally yourself, but also manifests published to crates.io. Rust 1.0.0 through Rust 1.25.0 is affected by this advisory because Cargo will ignore the package key in manifests. Rust 1.26.0 through Rust 1.30.0 are not affected and typically will emit an error because the package key is unstable. Rust 1.31.0 and after are not affected because Cargo understands the package key. Users of the affected versions are strongly encouraged to update their compiler to the latest available one. Preventing this issue from happening requires updating your compiler to be either Rust 1.26.0 or newer. There will be no point release for Rust versions prior to 1.26.0. Users of Rust 1.19.0 to Rust 1.25.0 can instead apply linked patches to mitigate the issue.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

Weakness class

CVE-2019-16760 is classified as CWE-494: Download of Code Without Integrity Check. Code or updates are fetched and executed without verifying they are authentic and unmodified.

Affected software

CVE-2019-16760 is recorded against 1 package.

  • cargo

Timeline and source

Published on 24 May 2022 and last revised on 13 March 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
gist.github.com (Web)
groups.google.com (Web)
groups.google.com (Web)
www.openwall.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE CWE-494
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2026-03-13
Fix URL N/A

Affected Packages

Software From version Fixed in
cargo — —

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