# CVE-2026-9141: Taiko AG1000-01A SMS Alert Gateway authentication bypass in web interface

Source: https://junglewise.ai/threats/cve-2026-9141-taiko-ag1000-01a-sms-alert-gateway-authentication-bypass-in-web  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-20. Updated: 2026-05-20  
License: CC BY 4.0 with a link back

CVE-2026-9141 · Severity: critical · CVSS 9.8 · Published 2026-05-20

The Taiko AG1000-01A SMS Alert Gateway, a device used to send critical SMS notifications for industrial and monitoring systems, contains a flaw in its web management interface. This vulnerability allows an unauthorized person to bypass security checks and gain full administrative control over the device. An attacker could change how alarms are routed, modify device settings, or disable monitoring entirely, potentially leading to missed emergency alerts or operational downtime.

Technologies: [Taiko AG1000-01A SMS Alert Gateway](https://junglewise.ai/threats/technologies/ag1000-01a-sms-alert-gateway). Vendors: [Taiko](https://junglewise.ai/threats/vendors/taiko).

## Quick answers

**Is CVE-2026-9141 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-9141 being exploited in the wild.

**How severe is CVE-2026-9141?** Critical severity, with a CVSS score of 9.8, published 20 May 2026.

**Which products and versions are affected?** Taiko AG1000-01A SMS Alert Gateway Rev 7.3, Rev 8, UM-AG1000_R7.2.

**Is there a fix for CVE-2026-9141?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-9141 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-9141?** Check whether you run Taiko AG1000-01A SMS Alert Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The Taiko AG1000-01A SMS Alert Gateway (Rev 7.3 and 8) suffers from a missing authentication check (CWE-306) within its embedded web server. The application fails to implement session management or server-side validation for critical configuration pages. A remote, unauthenticated attacker can gain full administrative read and write access by directly requesting internal resources such as index.zhtml, point.zhtml, and log.shtml. This allows for the unauthorized modification of alarm routing and device configurations. No user interaction or prior credentials are required for exploitation.

## Affected products

- Taiko AG1000-01A SMS Alert Gateway Rev 7.3, Rev 8, UM-AG1000_R7.2

## Timeline

- 2026-05-20: advisory: NVD and VulnCheck published the vulnerability details.
- 2026-05-20: disclosed

## References

- [https://medium.com/@forgetmen0t/multiple-vulnerabilities-in-taiko-ag1000-01a-sms-alert-gateway-82095b1d633e](https://medium.com/@forgetmen0t/multiple-vulnerabilities-in-taiko-ag1000-01a-sms-alert-gateway-82095b1d633e)
- [https://www.vulncheck.com/advisories/taiko-ag1000-01a-rev-8-authentication-bypass-via-web-interface](https://www.vulncheck.com/advisories/taiko-ag1000-01a-rev-8-authentication-bypass-via-web-interface)

## Related threats

- [Taiko AG1000-01A SMS Alert Gateway stored XSS in web configuration](https://junglewise.ai/threats/cve-2026-9144-taiko-ag1000-01a-sms-alert-gateway-stored-xss-in-web-configuration)
- [Taiko AG1000-01A SMS Alert Gateway hard-coded credentials in login.zhtml](https://junglewise.ai/threats/cve-2026-9139-taiko-ag1000-01a-sms-alert-gateway-hard-coded-credentials-in-login)