Cyber Resilience

CVE-2026-26422

HighLPEUpdated

Published: 06 June 2026

Published
06 June 2026
Modified
17 June 2026
KEV Added
Patch
CVSS Score v3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0016 5.9th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-26422 is a high-severity Incorrect Permission Assignment for Critical Resource (CWE-732) vulnerability in Kaguranaku (inferred from references). Its CVSS base score is 8.4 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Abuse Elevation Control Mechanism (T1548); ranked at the 5.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

clash-verge-service-ipc before 2.3.0 has a world-reachable IPC endpoint, leading to local privilege escalation.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1548 Abuse Elevation Control Mechanism Privilege Escalation
Adversaries may circumvent mechanisms designed to control privilege elevation to gain higher-level permissions.
Why these techniques?

World-reachable IPC endpoint enables local privilege escalation via abuse of elevation mechanism (CWE-732).

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

Affected Assets

Kaguranaku
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-732

Procedures support proper permission assignment for critical resources through documented controls.

addresses: CWE-732

Attribute management for resources provides a mechanism to assign and maintain correct permissions based on security labels.

addresses: CWE-732

Prevents overly permissive assignments to critical resources by limiting to task needs.

addresses: CWE-732

Training policy covers correct permission assignment, reducing the ability to exploit incorrect permission assignments for critical resources.

addresses: CWE-732

Training on permission management reduces incorrect permission assignments for critical resources.

addresses: CWE-732

Audit logs and logging tools are critical resources whose protection requires correct permission assignments to block unauthorized actions.

addresses: CWE-732

Assessments review permission assignments on critical resources to confirm correctness, mitigating exploitation via incorrect permissions.

addresses: CWE-732

Certification includes checking that permissions on critical resources are correctly assigned.

References