XSS in Rustfs Console
CVE-2026-62378
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Rustfs Console — versions >= 0.1.7, < 0.1.10
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-62378?
- CVE-2026-62378 is a critical-severity vulnerability in Rustfs Console, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2026-07-15.
- How severe is CVE-2026-62378?
- Critical severity. CVSS v3 base score is 9.0 out of 10.