CVE-2026-2099 PUBLISHED

Flowring｜AgentFlow - Stored Cross-Site Scripting

Assigner: twcert
Reserved: 06.02.2026 Published: 10.02.2026 Updated: 10.02.2026

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 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS Score: 5.4

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Flowring
Product	AgentFlow
Versions	Default: unaffected affected from 4.0.* to 4.0.0.1878.877 (excl.)

Solutions

Update to version 4.0.0.1878.877 or later.

References

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') CWE

Impacts

CAPEC-592 Stored XSS