# CVE-2026-105486: OSSRS srs System API api.go systemAPI.Run missing authentication

> Remote attackers can execute system commands via the unauthenticated System API Run function in OSSRS srs, requiring an upgrade to mitigate.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:** 6 Oct 2026
- **Updated:** 6 Oct 2026
- **Also known as:** GHSA-m55h-2fw5-fv4g

## What is CVE-2026-105486?

CVE-2026-105486 is a medium-severity missing authorization vulnerability in OSSRS srs, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in OSSRS srs up to 7.0-a1. This affects the function systemAPI.Run of the file internal/proxy/api.go of the component System API. Performing a manipulation results in missing authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 8.0-d0 mitigates this issue. The patch is named bb5fde228f4ca5bd26d96368b61f6e0c21df51df. The affected component should be upgraded.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-105486?


## How do I fix CVE-2026-105486?

No fix has been published for CVE-2026-105486 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-105486 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-105486 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-105486 and fix it if it is affected.

What it is: CVE-2026-105486 is a medium-severity missing authorization vulnerability in OSSRS srs, published on 6 Oct 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-2026-105486 exists.

Affected product: OSSRS srs. 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-2026-105486/ (Markdown: https://insights.sbomify.com/CVE-2026-105486/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-105486
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-105486
- OSV: https://osv.dev/vulnerability/CVE-2026-105486

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-105486/
Summaries are generated and may contain mistakes; the official description above is the record.