# CVE-2026-9141: Taiko AG1000-01A Rev 7.3/8 Authentication Bypass via Web Interface

> Unauthenticated attackers can bypass authentication on the Taiko AG1000-01A web interface to gain administrative access and modify device configurations.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 May 2026
- **Updated:** 24 Sep 2026
- **Also known as:** GHSA-c89f-cvmv-ffjf

## What is CVE-2026-9141?

CVE-2026-9141 is a critical authentication bypass vulnerability in Taiko Network Communications Pte Ltd. AG1000-01A SMS Alert Gateway, published on 20 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Taiko AG1000-01A SMS Alert Gateway Rev 7.3 and Rev 8 contains an authentication bypass vulnerability in the embedded web configuration interface that allows unauthenticated attackers to access internal application pages without any session management or server-side authentication checks. Attackers with network access can directly request internal resources such as index.zhtml, point.zhtml, and log.shtml to gain full administrative read and write access, enabling unauthorized modification of alarm routing, device configuration, and disruption of monitoring and control functions.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-9141?


## How do I fix CVE-2026-9141?

No fix has been published for CVE-2026-9141 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9141 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9141 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9141 and fix it if it is affected.

What it is: CVE-2026-9141 is a critical authentication bypass vulnerability in Taiko Network Communications Pte Ltd. AG1000-01A SMS Alert Gateway, published on 20 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9141 exists.

Affected product: Taiko Network Communications Pte Ltd. AG1000-01A SMS Alert Gateway. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-9141/ (Markdown: https://insights.sbomify.com/CVE-2026-9141/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9141
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9141
- OSV: https://osv.dev/vulnerability/CVE-2026-9141

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-9141/
Summaries are generated and may contain mistakes; the official description above is the record.