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Vulnerability · Published Jul 29, 2026 · Assigned by redhat

CVE-2026-18255Quay: quay: global read-only superuser can view robot account tokens

High 7.2

In plain English

A high-severity incorrect authorization in Red Hat Quay 3.10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.8%top 44.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Quay 3.10 see references
Red Hat Red Hat Quay 3.12 see references
Red Hat Red Hat Quay 3.14 see references
Red Hat Red Hat Quay 3.15 see references
Red Hat Red Hat Quay 3.16 see references
Red Hat Red Hat Quay 3.17 see references
Red Hat Red Hat Quay 3.18 see references
Red Hat Red Hat Quay 3.9 see references

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References