CVE-2026-70620 Odysseus SSRF via Embedding Endpoint Configuration
Admins can exploit SSRF in Odysseus to access internal network resources and cloud metadata via unvalidated embedding endpoint URLs.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-70620?
CVE-2026-70620 is a medium-severity server-side request forgery vulnerability in odysseus-dev odysseus, published on 4 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Odysseus before commit 87babb5 contains a server-side request forgery vulnerability that allows admin-privileged attackers to direct the server to probe internal network resources by supplying arbitrary URLs to the embedding endpoint configuration without scheme, host, IP range, or DNS rebind validation. Attackers can submit loopback addresses, RFC 1918 ranges, or link-local addresses through the embedding endpoint API to partially read responses from cloud instance metadata services, internal APIs, and other hosts reachable from the server.
Weakness: CWE-918
Which versions are affected by CVE-2026-70620?
How do I fix CVE-2026-70620?
No fix has been published for CVE-2026-70620 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-2026-70620 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-70620 exists.
Sources
Also known as GHSA-pp2c-7vpq-xf5f.