CVE-2026-2099
MEDIUMCVSS 5.4/10EPSS 0.17%
Last modified
CVE-2026-2099 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Flowring | Agentflow | < 4.0.0.1878.877 |
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
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-2099?
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.
How severe is CVE-2026-2099?
CVE-2026-2099 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-2099?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-2099?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST