CVE-2026-18255: high-severity vulnerability in Red Hat Quay 3.10
Quay: quay: global read-only superuser can view robot account tokens
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.8%
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:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Red Hat · Red Hat Quay 3.10Red Hat · Red Hat Quay 3.12Red Hat · Red Hat Quay 3.14Red Hat · Red Hat Quay 3.15Red Hat · Red Hat Quay 3.16Red Hat · Red Hat Quay 3.17Red Hat · Red Hat Quay 3.18Red Hat · Red Hat Quay 3.9Related CVEs — Red Hat Quay 3.10
In the same product, most dangerous first.
CVE-2026-15927MEDIUMQuay: mirror-registry: ssrf: repo-level mirror accepts external_reference without url validationEPSS 0.6%CVE-2026-32590HIGHMirror-registry: remote code execution using pickle deserializationEPSS 0.5%CVE-2026-2377MEDIUMMirror-registry: quay: quay: server-side request forgery via log export functionalityEPSS 0.4%CVE-2026-32591MEDIUMMirror-registry: quay: server-side request forgery in proxy cache upstream registry configurationEPSS 0.3%CVE-2026-32589HIGHMirror-registry: quay: insecure direct object reference in blobuploadEPSS 0.3%
References
https://access.redhat.com/errata/RHSA-2026:63307https://access.redhat.com/errata/RHSA-2026:65514https://access.redhat.com/errata/RHSA-2026:66084https://access.redhat.com/errata/RHSA-2026:66523https://access.redhat.com/errata/RHSA-2026:69255https://access.redhat.com/errata/RHSA-2026:70267https://access.redhat.com/errata/RHSA-2026:74511https://access.redhat.com/errata/RHSA-2026:81110https://access.redhat.com/security/cve/CVE-2026-18255https://bugzilla.redhat.com/show_bug.cgi?id=2508454