Agentflow
CVE-2026-2099
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 5.4 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: Required. Exploitation requires authentication. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker (requires authentication) could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Authenticated attackers can inject malicious JavaScript into Flowring's AgentFlow platform that persists and executes in other users' browsers when they load affected pages, potentially compromising user sessions and data. This stored cross-site scripting vulnerability affects the AI/ML and Agentflow products and requires user interaction to trigger, though no patch is currently available.
Earlier versions of this analysis (1)
AgentFlow developed by Flowring has a Stored Cross-Site Scripting vulnerability, allowing authenticated remote attackers to inject persistent JavaScript codes that are executed in users' browsers upon page load. [CVSS 5.4 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. 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 Agentflow. AgentFlow developed by Flowring has a Stored Cross-Site Scripting vulnerability, allowing authenticated remote attackers to inject persistent JavaScript codes that are executed in users' browsers upon page load.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
AgentFlow developed by Flowring has a Stored Cross-Site Scripting vulnerability, allowing authenticated remote attackers to inject persistent JavaScript codes that are executed in users' browsers upon page load.
Executive ViewAI
Organizations using AgentFlow developed by Flowring should be aware of moderate risk from CVE-2026-2099, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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)CVE.org
Authentication bypass in Flowring Agentflow workflow system allows unauthenticated remote attackers to exploit specific
Agentflow from Flowring Technology has an Account Lockout Bypass vulnerability, allowing unauthenticated remote attacker
Missing authentication in Flowring Agentflow allows unauthenticated attackers to read, modify, and delete data. Second a
The file upload function of Agentflow BPM has insufficient filtering for special characters in URLs. Rated critical seve
Agentflow versions up to - is affected by unrestricted upload of file with dangerous type (CVSS 8.8).
Agentflow BPM enterprise management system has improper authentication. Rated high severity (CVSS 8.8), this vulnerabili
Arbitrary code execution in berabuddies AgentFlow (all versions prior to fix commit 1667fa3) allows attackers to run loc
Agentflow BPM file download function has a path traversal vulnerability. Rated high severity (CVSS 7.5), this vulnerabil
Reflected XSS in AgentFlow enables unauthenticated attackers to inject malicious JavaScript that executes in victims' br
Content-type validation bypass in AgentFlow's localhost web API allows browser-driven cross-origin requests to reach the
GitHub PoC
Exploit-DB