Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-62596

30
FAUCET Score

CVE-2025-62596 is a critical vulnerability affecting Youki container runtime versions 0.5.6 and below, stemming from insufficient AppArmor write-target validation combined with path substitution during pathname resolution. This flaw allows an attacker to write to unintended procfs locations due to a shared-mount race condition. With a CVSS score of 10.0, it presents a critical risk with network attack vector, low complexity, and high impact on integrity and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.5.7CPE matchmatch criteria
cpe:2.3:a:youki-dev:youki:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 4.0

7.3HIGH

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
ACTIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
HIGH
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 1st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
rustpatch availablevia ghsa
Product: youkiFixed in: 0.5.7

Vendor Advisories (1)

rustGHSA-vf95-55w6-qmrfhigh

youki container escape and denial of service due to arbitrary write gadgets and procfs write redirects

Nov 5, 2025

References

github.com / youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a820548030a
Patch
github.com / youki-dev/youki/security/advisories/GHSA-vf95-55w6-qmrf
Vendor Advisory
pkg.go.dev / github.com/cyphar/filepath-securejoin/pathrs-lite/procfs
Not Applicable
youtu.be / tGseJW_uBB8
Not Applicable
youtu.be / y1PaBzxwRWQ
Not Applicable