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CVE-2026-26023 - Vulnerability Analysis

MediumCVSS: 6.1

Last Updated: February 13, 2026

Dify - Stored XSS

Published: February 11, 2026Updated: February 13, 2026PoC AvailableRemote Exploitable

Overview

Dify < 1.13.0 contains a stored XSS caused by improper sanitization of user or LLM inputs in the web application chat frontend using echarts, letting attackers execute arbitrary JavaScript, exploit requires crafted input.

Severity & Score

Severity: Medium

CVSS Score: 6.1

Impact

Attackers can execute arbitrary JavaScript in users' browsers, potentially stealing data or performing actions on behalf of users.

Mitigation

Update to version 1.13.0 or later.

References

https://github.com/langgenius/dify/security/advisories/GHSA-qqjx-5h5w-x5vj
https://github.com/langgenius/dify/commit/378a1d7d08bd0ac5c75eaadc075a0f35211fcb8e
https://github.com/langgenius/dify/releases/tag/1.13.0

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Details

CVE ID: CVE-2026-26023
Severity: Medium
CVSS Score: 6.1
Type: stored_xss
Status: confirmed

CWE

CWE-79

CVSS Metrics

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