---
id: CVE-2026-85662
title: >-
  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
summary: >-
  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 …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-918
vendor: marqo-ai
product: marqo
affected:
  - marqo <= 2.26.0
published: '2026-09-04'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:44.950'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85662'
references:
  - url: 'https://github.com/marqo-ai/marqo'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/marqo-ai/marqo/blob/2.26.0/components/inference_orchestrator/src/inference_orchestrator/services/media_download_and_preprocess/image_download.py
    label: disclosure@vulncheck.com
  - url: 'https://github.com/marqo-ai/marqo/issues/1452'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/marqo-2.26.0-server-side-request-forgery-via-media-urls
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00398
epssPercentile: 0.31186
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-08T16:59:24.362686Z'
ingestedAt: '2026-09-08T19:08:49.672Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
