CVE-2026-2099 — MEDIUM (5.4)

Q: How severe is CVE-2026-2099?

CVE-2026-2099 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-2099?

Check the references section above for vendor advisories and patch information. Affected products include: Flowring Agentflow.

Vulnerability Description

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 Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Flowring	Agentflow	< 4.0.0.1878.877

Related Weaknesses (CWE)

CWE-79

References

https://www.twcert.org.tw/en/cp-139-10700-3534d-2.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-10699-49c0b-1.htmlThird Party Advisory

FAQ

What is CVE-2026-2099?

CVE-2026-2099 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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...

How severe is CVE-2026-2099?

CVE-2026-2099 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-2099?

Check the references section above for vendor advisories and patch information. Affected products include: Flowring Agentflow.