Dify
CVE-2026-26023
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 6.1 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: Required. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 12, 2026
Dify versions prior to 1.13.0 contain a stored cross-site scripting vulnerability in the chat frontend's echarts integration that executes malicious JavaScript payloads embedded in user or LLM-generated inputs. An attacker can exploit this to perform actions in the context of other users' browsers, potentially stealing session tokens or conducting phishing attacks. Public exploit code exists for this vulnerability, though a patch is available in version 1.13.0 and later.
Earlier versions of this analysis (1)
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. [CVSS 6.1 MEDIUM]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 1.13.0.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Dify. 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.
Know when Dify gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
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.
Executive ViewAI
Organizations using Dify should be aware of moderate risk from CVE-2026-26023, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)GitHub Advisory
Dify 1.9.1 permits unauthenticated remote GET requests to the /console/api/system-features console endpoint, letting ano
Hard-coded default PostgreSQL credentials shipped in the docker-compose.yaml of langgenius Dify through version 1.5.1 al
Path traversal in Dify versions 0 through 1.14.1 allows authenticated tenants to escape their authorized tenant path and
Cross-tenant authorization bypass in LangGenius Dify versions through 1.14.1 lets any logged-in editor reroute another t
A vulnerability in langgenius/dify v0.10.1 allows an attacker to take over any account, including administrator accounts
SQL injection in Dify's MyScale vector store backend (versions before 1.16.0-rc1) lets authenticated attackers execute a
Plaintext exposure of third-party service API keys in Dify prior to version 1.11.0 allows any authenticated non-administ
Cross-tenant document disclosure in Dify 1.14.1 and prior allows any authenticated user to read up to 3,000 characters o
langgenius/dify version v0.10.1 contains a vulnerability where there are no limits applied to the number of code guess a
In langgenius/dify v0.10.1, the `/forgot-password/resets` endpoint does not verify the password reset code, allowing an
Dify is an open-source LLM app development platform. Rated high severity (CVSS 7.6), this vulnerability is remotely expl
A stored cross-site scripting (XSS) vulnerability exists in langgenius/dify version latest, specifically in the chat log
Exploit-DB