CVE-2026-18255

Quay: quay: global read-only superuser can view robot account tokens

Published Jul 29, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Workaround

Remove users who can not be trusted with robot account credentials from GLOBAL_READONLY_SUPER_USERS.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:/a:redhat:quay:3 cpe:/a:redhat:quay:3.16::el9
References
Type Values Removed Values Added
First Time appeared Redhat quay 3
Vendors & Products Redhat quay 3
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Quay: quay: global read-only superuser can view robot account tokens
First Time appeared Redhat
Redhat quay
Weaknesses CWE-863
CPEs cpe:/a:redhat:quay:3
Vendors & Products Redhat
Redhat quay
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 12, 2026, 9:10 PM
Reserved
Jul 29, 2026, 4:19 PM
Status
Awaiting Analysis
Published
Jul 29, 2026, 5:16 PM
Modified
Oct 24, 2026, 1:10 PM
Severity
Important
Public date
Jul 21, 2026, 2:34 PM