CVE-2026-29023 Keygraph Shannon Hard-coded Router API Key

Medium 6.9 Published Updated

Attackers can use a hard-coded API key to proxy requests through the Shannon router, leading to unauthorized API usage and data disclosure.

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-2026-29023?

CVE-2026-29023 is a medium-severity vulnerability in KeygraphHQ Shannon, published on 9 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Keygraph Shannon contains a hard-coded API key in its router configuration that, when the router component is enabled and exposed, allows network attackers to authenticate using the publicly known static key. An attacker able to reach the router port can proxy requests through the Shannon instance using the victim’s configured upstream provider API credentials, resulting in unauthorized API usage and potential disclosure of proxied request and response data. This vulnerability's general exploitability has been mitigated with the introduction of commit 023cc95.

Weakness: CWE-798

Which versions are affected by CVE-2026-29023?

How do I fix CVE-2026-29023?

No fix has been published for CVE-2026-29023 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-29023 being exploited?

There is no known exploitation of CVE-2026-29023 in the wild and no public exploit code.

Sources

Also known as GHSA-qrvr-jqxg-65rv.

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