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CVE-2025-62596

Youki-dev Youki vulnerability

10.0 CRITICALEPSS 0.27%
  1. Published5 Nov 2025

Description

Youki is a container runtime written in Rust. In versions 0.5.6 and below, youki’s apparmor handling performs insufficiently strict write-target validation, and when combined with path substitution during pathname resolution, can allow writes to unintended procfs locations. While resolving a path component-by-component, a shared-mount race can substitute intermediate components and redirect the final target. This issue is fixed in version 0.5.7.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Affected products

Youki-dev Youki< 0.5.7

Remediation

Fixed in
Youki-dev Youki≥ 0.5.7

References

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Frequently asked

Is CVE-2025-62596 being actively exploited?

CVE-2025-62596 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.27%.

How severe is CVE-2025-62596?

CVE-2025-62596 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 0.27% probability of exploitation.

Which products are affected by CVE-2025-62596?

Affected products include Youki-dev Youki.

How do I fix CVE-2025-62596?

Upgrade affected software to a fixed version, for example Youki-dev Youki 0.5.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.