CVE-2026-18255

HIGH

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

Title source: cna

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.

References (2)

Core 2

Core References

Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat

https://access.redhat.com/security/cve/CVE-2026-18255

Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat

RHBZ#2508454

https://bugzilla.redhat.com/show_bug.cgi?id=2508454

Scores

CVSS v3 7.2

EPSS 0.0027

EPSS Percentile 19.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-863

Status published

Products (1)

Red Hat/Red Hat Quay 3

Published Jul 29, 2026

Tracked Since Jul 29, 2026