CVE-2026-18255
CVE-2026-18255: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
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Red Hat
1 advisory- Advisory severityHigh7.2
High [CVE-2026-18255] Global read-only superuser can view robot account tokens
CVE-2026-18255Source published Source updated
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. Red Hat severity: Important — CVSS 7.2 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-863. Affected Red Hat products: Red Hat Quay 3.15; Red Hat Quay 3. Red Hat fixing advisory: RHSA-2026:63307.
- Affected products in this advisory
- Red Hat Quay 3.15
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- quay/quay-rhel8:1788191755
- RHSA-2026:63307
- Mitigation guidance
- Remove users who can not be trusted with robot account credentials from GLOBAL_READONLY_SUPER_USERS.
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