Vulnerability · Published Feb 11, 2026 · Assigned by GitHub_M
CVE-2026-26023Client‑side DOM XSS in the web chat app of Dify when using echarts
Medium 5.3
In plain English
A medium-severity cross-site scripting in dify from langgenius. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.3%top 78.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Dify is an open-source LLM app development platform. Prior to 1.13.0, a cross site scripting vulnerability has been found in the web application chat frontend when using echarts. User or llm inputs containing echarts containing a specific javascript payload will be executed. This vulnerability is fixed in 1.13.0.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| langgenius | dify | < 1.13.0 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References
- https://github.com/langgenius/dify/security/advisories/GHSA-qqjx-5h5w-x5vj x_refsource_CONFIRM
- https://github.com/langgenius/dify/commit/378a1d7d08bd0ac5c75eaadc075a0f35211fcb8e x_refsource_MISC
- https://github.com/langgenius/dify/releases/tag/1.13.0 x_refsource_MISC