CVE-2026-18255
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductQuay 3.10
PublishedJul 29, 2026
First seenJul 29, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Vendor advisories
- access.redhat.com/errata/RHSA-2026:63307
- access.redhat.com/errata/RHSA-2026:65514
- access.redhat.com/errata/RHSA-2026:66084
- access.redhat.com/errata/RHSA-2026:66523
- access.redhat.com/errata/RHSA-2026:69255
- access.redhat.com/errata/RHSA-2026:70267
- access.redhat.com/errata/RHSA-2026:74511
- access.redhat.com/errata/RHSA-2026:81110
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| quay 3.10 | No range specified | — |
| quay 3.12 | No range specified | — |
| quay 3.14 | No range specified | — |
| quay 3.15 | No range specified | — |
| quay 3.16 | No range specified | — |
| quay 3.17 | No range specified | — |
| quay 3.18 | No range specified | — |
| quay 3.9 | No range specified | — |
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