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CVE Vulnerability Details :
CVE-2026-18255
PUBLISHED
More InfoOfficial Page
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
View Known Exploited Vulnerability (KEV) details
Published At-29 Jul, 2026 | 16:34
Updated At-29 Jul, 2026 | 18:05
Rejected At-
▼CVE Numbering Authority (CNA)
Quay: quay: global read-only superuser can view robot account tokens

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.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Quay 3
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
quay/quay-rhel8
CPEs
  • cpe:/a:redhat:quay:3
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Quay 3
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
quay/quay-rhel9
CPEs
  • cpe:/a:redhat:quay:3
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-863Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Important
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds

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

Exploits
Credits
Timeline
EventDate
Reported to Red Hat.2026-07-21 14:34:20
Made public.2026-07-21 14:34:20
Event: Reported to Red Hat.
Date: 2026-07-21 14:34:20
Event: Made public.
Date: 2026-07-21 14:34:20
Replaced By
Rejected Reason
References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-18255
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2508454
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-18255
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2508454
Resource:
issue-tracking
x_refsource_REDHAT
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found