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.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-85662 being exploited?
There is no known exploitation of CVE-2026-85662 in the wild and no public exploit code.
Sources
Also known as GHSA-q6xf-xgg7-h2f2.