# CVE-2026-100886: Seetong T8108/T8108P/T8116/T8232 Debug Service improper authentication

> Remote attackers can bypass authentication in the Seetong DVR debug service, potentially gaining unauthorized access to the device.

- **Severity:** Critical 10.0 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Sep 2026
- **Updated:** 23 Oct 2026
- **Also known as:** GHSA-7mpp-mc8j-2fxx

## What is CVE-2026-100886?

CVE-2026-100886 is a critical authentication bypass vulnerability in Seetong T8108, published on 27 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected element is an unknown function of the component Debug Service. Such manipulation leads to improper authentication. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 4.6.2.0 is sufficient to fix this issue. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-100886?


## How do I fix CVE-2026-100886?

No fix has been published for CVE-2026-100886 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-100886 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100886 exists.

Public exploit code:

-  CVE-2026-100886 | Unauthenticated Remote Code Execution toolkit. (github_poc): https://github.com/heapframe/seetong-ts81xxd3x-rce

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-100886 and fix it if it is affected.

What it is: CVE-2026-100886 is a critical authentication bypass vulnerability in Seetong T8108, published on 27 Sep 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-2026-100886 exists.

Affected product: Seetong T8108. 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-2026-100886/ (Markdown: https://insights.sbomify.com/CVE-2026-100886/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-100886
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100886
- OSV: https://osv.dev/vulnerability/CVE-2026-100886

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-100886/
Summaries are generated and may contain mistakes; the official description above is the record.