CVE-2026-18255
A remote, authenticated attacker can exploit a vulnerability in Red Hat Quay to disclose information that can be used to impersonate certain accounts.
CSIRTS triage
- What
- A vulnerability allows a remote, authenticated attacker to disclose information that can be used to impersonate certain accounts.
- Who is affected
- Authenticated users of Red Hat Quay.
- Urgency
- Remediation is medium urgency as it involves information disclosure that could lead to account impersonation.
- Action
- Apply the latest security updates for Red Hat Quay.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] Red Hat Quay: Vulnerability allows information disclosurecert-bund · 2026-07-30
- highCVE-2026-18255: A flaw was found in Quay. A user configured in GLOBAL_READONLY_SUPER_USERS is able to view rob…nvd · 2026-07-29
External references
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[](https://www.csirts.com/cve/CVE-2026-18255)