CVE-2026-18255

HIGH

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 v3.1 Score

7.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 7/29/2026Modified: 7/30/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-18255 — A flaw was found in Quay. A user configured in GLOBAL_READONLY_SUPER_USERS is ab...

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.

CVE-2026-18255
NIST NVD

References (2)

https://access.redhat.com/security/cve/CVE-2026-18255https://bugzilla.redhat.com/show_bug.cgi?id=2508454