# CVE-2026-86804: seakee CPA-Manager-Plus HTTP handler.go CPAResource improper authorization

> Remote attackers can bypass authorization checks in the HTTP handler to access protected resources in CPA Manager Plus.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Sep 2026
- **Updated:** 11 Sep 2026
- **Also known as:** GHSA-3wpw-f6pm-4qpv

## What is CVE-2026-86804?

CVE-2026-86804 is a medium-severity missing authorization vulnerability in seakee CPA-Manager-Plus, published on 8 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 seakee CPA-Manager-Plus up to 1.11.10. This vulnerability affects the function CPAResource of the file apps/manager-server/internal/http/controller/proxy/handler.go of the component HTTP Handler. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. Upgrading to version 1.11.11 is able to resolve this issue. The identifier of the patch is 842eec791377ddcbea5cd639bc065eaa4801d656. It is suggested to upgrade the affected component.

Weakness: CWE-285 (Improper Authorization), CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-86804?


## How do I fix CVE-2026-86804?

No fix has been published for CVE-2026-86804 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-86804 being exploited?

There is no known exploitation of CVE-2026-86804 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-86804 and fix it if it is affected.

What it is: CVE-2026-86804 is a medium-severity missing authorization vulnerability in seakee CPA-Manager-Plus, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-86804 in the wild and no public exploit code.

Affected product: seakee CPA-Manager-Plus. 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-2026-86804/ (Markdown: https://insights.sbomify.com/CVE-2026-86804/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-86804
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-86804
- OSV: https://osv.dev/vulnerability/CVE-2026-86804

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-86804/
Summaries are generated and may contain mistakes; the official description above is the record.