CVE-2026-62378: RustFS Console: Critical Stored XSS in Preview Modal leading to Administrative Account Takeover
RustFS Console is a web management console for the RustFS distributed file system. From 0.1.7 until 0.1.10, the RustFS Console components/object/preview-modal.tsx and components/object/pdf-viewer.tsx extension-based PDF preview path can render HTML content uploaded as .pdf, allowing stored cross-site scripting in the management console and exposure of administrator AccessKeyId, SecretAccessKey, and SessionToken values. This is caused by a regression of CVE-2026-27822. This vulnerability is fixed in 0.1.10.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
RustFS Console (components/object/preview-modal.tsx, components/object/pdf-viewer.tsx)to a version that resolves this vulnerability.Fixed in 0.1.10 - Operational
Rotate any exposed administrator credentials (AccessKeyId, SecretAccessKey, SessionToken) that may have been disclosed via stored XSS in RustFS Console preview modal prior to upgrading to 0.1.10.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62378?
CVE-2026-62378 has a severity rating of critical, with a score of 9.
How do I fix CVE-2026-62378?
To fix CVE-2026-62378, upgrade RustFS Console to version 0.1.10 or higher.
What type of vulnerability is CVE-2026-62378?
CVE-2026-62378 is a stored cross-site scripting (XSS) vulnerability.
What impact does CVE-2026-62378 have on users?
CVE-2026-62378 can lead to administrative account takeover due to the critical XSS risks.
Which software is affected by CVE-2026-62378?
CVE-2026-62378 affects versions 0.1.7 to 0.1.10 of the RustFS Console.