CVE & CISA-KEV Catalog

CVE-2026-5223

LOW
5.3
CVSS v3
NVD

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.

CWE-61

How to fix

Remediation Available
rustRocky
Fixed in:main@aarch64RHSA-2026:42923
Fixed in:main@x86_64RHSA-2026:42923
Fixed in:main@srcRHSA-2026:42923
Fixed in:main@noarchRHSA-2026:42923
rustRed Hat / RHEL
Fixed in:main@noarchRHSA-2026:42923
Fixed in:main@srcRHSA-2026:42923
Fixed in:main@x86_64RHSA-2026:42923
Fixed in:main@aarch64RHSA-2026:42923

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

0.29%probability of exploitation in 30 days
22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-61 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-28189Critical10.07.2%--
CVE-2024-28185Critical10.07.1%--
CVE-2019-11249Medium6.53.7%-Fix
CVE-2019-11246Medium6.53.6%-Fix
CVE-2019-16775High7.73.3%-Fix
CVE-2019-11251Medium4.82.6%-Fix

Common questions

How do I fix CVE-2026-5223?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-5223 being actively exploited?

Not that we know of. CVE-2026-5223 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.29% is the estimated probability that it will be exploited in the next 30 days. That is higher than 22% of all scored CVEs.

How severe is CVE-2026-5223?

CVE-2026-5223 has a CVSS v3 base score of 5.3, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-5223 affect?

Published advisories record a fix for rust (Rocky), rust (Red Hat / RHEL). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-5223
CVE-2026-5223 severity badge

Markdown

[![CVE-2026-5223](https://tridentstack.com/cve/badge/CVE-2026-5223.svg)](https://tridentstack.com/cve/CVE-2026-5223)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-5223"><img src="https://tridentstack.com/cve/badge/CVE-2026-5223.svg" alt="CVE-2026-5223"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it worksStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.