# CVE-2026-85662: Marqo 2.26.0 Server-Side Request Forgery via Media URLs

> Unauthenticated attackers can exploit Marqo to access internal services and cloud metadata via malicious media URLs in the add_documents endpoint.

- **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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Sep 2026
- **Updated:** 8 Sep 2026
- **Also known as:** GHSA-q6xf-xgg7-h2f2

## What is CVE-2026-85662?

CVE-2026-85662 is a medium-severity server-side request forgery vulnerability in marqo-ai marqo, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Marqo 2.26.0 contains a server-side request forgery vulnerability in the add_documents endpoint that allows unauthenticated attackers to trigger requests to arbitrary URLs by supplying malicious media field values. Attackers can exploit download_image_from_url and fetch_content_sample functions which lack destination filtering and host validation to access internal services and cloud metadata endpoints.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2026-85662?


## How do I fix CVE-2026-85662?

No fix has been published for CVE-2026-85662 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-85662 being exploited?

There is no known exploitation of CVE-2026-85662 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-85662 and fix it if it is affected.

What it is: CVE-2026-85662 is a medium-severity server-side request forgery vulnerability in marqo-ai marqo, published on 4 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-2026-85662 in the wild and no public exploit code.

Affected product: marqo-ai marqo. 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-2026-85662/ (Markdown: https://insights.sbomify.com/CVE-2026-85662/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-85662
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-85662
- OSV: https://osv.dev/vulnerability/CVE-2026-85662

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-85662/
Summaries are generated and may contain mistakes; the official description above is the record.