CVE-2026-67346 Swarms 6.8.1 Server-Side Request Forgery via DNS Rebinding Bypass

High 7.7 Published Updated

Attackers can exploit a DNS rebinding flaw in Swarms to access internal services and exfiltrate credentials via malicious URLs.

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-2026-67346?

CVE-2026-67346 is a high-severity server-side request forgery vulnerability in kyegomez swarms, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Swarms through 6.8.1, fixed in commit 8b0fc9e, contains a server-side request forgery vulnerability in the _is_safe_url function that fails to validate hostnames through DNS resolution, allowing attackers to bypass the blocklist. Attackers can supply user-controlled image or audio URLs that resolve to private, loopback, or metadata addresses to reach internal services and exfiltrate credentials.

Weakness: CWE-918

Which versions are affected by CVE-2026-67346?

How do I fix CVE-2026-67346?

No fix has been published for CVE-2026-67346 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-2026-67346 being exploited?

There is no known exploitation of CVE-2026-67346 in the wild and no public exploit code.

Sources

Also known as GHSA-v37m-33r4-9ggf.

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