CVE-2026-18255

A flaw was found in Quay. A user configured in GLOBAL_READONLY_SUPER_USERS is able to view robot account tokens for repositories they are not a member of, allowing an attacker with read-only superuser privileges to impersonate any robot account.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:63307
https://access.redhat.com/errata/RHSA-2026:65514
https://access.redhat.com/errata/RHSA-2026:66084
https://access.redhat.com/errata/RHSA-2026:66523
https://access.redhat.com/security/cve/CVE-2026-18255
https://bugzilla.redhat.com/show_bug.cgi?id=2508454

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-29 17:16

Updated : 2026-09-10 22:16

NVD link : CVE-2026-18255

Mitre link : CVE-2026-18255

CVE.ORG link : CVE-2026-18255

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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