CVE-2026-23556

Severity CVSS v4.0:

CRITICAL

Type:

Unavailable / Other

Publication date:

09/07/2026

Last modified:

09/07/2026

Description

When oxenstored is tearing a domain down, the node data is cleaned up<br /> but the usage counts are leaked.<br /> <br /> When the domain ID is eventually reused, the new domain can create fewer<br /> nodes before beeing deemed to be over quota.

Impact

Vector 4.0

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVSS v4.0 Severity and Metrics:

Base Score: 9.40 CRITICAL
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High

Base Score 4.0

9.40

Severity 4.0

CRITICAL

CVE-2026-23556

Description

Impact

References to Advisories, Solutions, and Tools