RustFS Console: Critical Stored XSS in Preview Modal leading to Administrative Account Takeover

Description

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.

Scores

EPSS (exploitation in 30 days)

0.42% · top 63% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: poc · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.

Weakness

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• rustfs · console

  • affected >= 0.1.7, < 0.1.10

References (3)

• https://github.com/rustfs/rustfs/security/advisories/GHSA-7gcx-wg4x-q9x6 (opens in a new tab)x_refsource_CONFIRMexploit
• https://github.com/rustfs/console/commit/49630dc140e6818aaee8879ade038a129838a2f2 (opens in a new tab)x_refsource_MISC
• https://github.com/rustfs/console/releases/tag/v0.1.10 (opens in a new tab)x_refsource_MISC

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-62378](https://trackcve.app/badge/CVE-2026-62378.svg)](https://trackcve.app/cve/CVE-2026-62378)

Record last updated 16 Jul 2026, 19:19 UTC.