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Home / Vulnerability Intelligence / CVE-2026-27822

CVE-2026-27822 - Vulnerability Analysis

CriticalCVSS: 9.0

Last Updated: February 25, 2026

RustFS - Stored XSS

Published: February 25, 2026Updated: February 25, 2026PoC AvailableRemote Exploitable

Overview

RustFS < 1.0.0-alpha.83 contains a stored XSS caused by bypassing PDF preview logic in the management console, letting attackers execute arbitrary JavaScript and steal admin credentials, exploit requires access to the console.

Severity & Score

Severity: Critical
CVSS Score: 9.0
EPSS Score: 3.3%(Probability of exploitation in next 30 days)

Impact

Attackers can execute JavaScript to steal admin credentials, leading to full account takeover and system compromise.

Mitigation

Update to version 1.0.0-alpha.83 or later.

Social Media Activity(1 post)

TheHackerWire
TheHackerWire
@thehackerwire
Feb 25, 2026

šŸ”“ CVE-2026-27822 - Critical (9) RustFS is a distributed object storage system built in Rust. Prior to version 1.0.0-alpha.83, a Stored Cross-Site Scripting (XSS) vulnerability in the RustFS Console allows an attacker to execute arbitrary JavaScript in the context of the manageme... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-27822/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Details

CVE ID
CVE-2026-27822
Severity
Critical
CVSS Score
9.0
Type
stored_xss
Status
confirmed
EPSS
3.3%
Social Posts
1

CWE

  • CWE-79

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Score

3.3%Probability of exploitation in the next 30 days