CVE-2026-85662

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 download_image_from_url and fetch_content_sample functions which lack destination filtering and host validation to access internal services and cloud metadata endpoints.

Affected Software

Weaknesses

• CWE-918: Server-Side Request Forgery (SSRF)

References

• https://github.com/marqo-ai/marqo/issues/1452
• https://github.com/marqo-ai/marqo
• https://github.com/marqo-ai/marqo/blob/2.26.0/components/inference_orchestrator/src/inference_orchestrator/services/media_download_and_preprocess/image_download.py
• https://www.vulncheck.com/advisories/marqo-2.26.0-server-side-request-forgery-via-media-urls

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