CVE-2026-67346

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.

CVSS Vector

References

• https://github.com/kyegomez/swarms/commit/8b0fc9e4645603ad94d5fcf4da86e3b9c71f4743
• https://github.com/kyegomez/swarms/issues/1714
• https://github.com/kyegomez/swarms/pull/1734
• https://www.vulncheck.com/advisories/swarms-server-side-request-forgery-via-dns-rebinding-bypass