CVE-2026-67346
Swarms 6.8.1 Server-Side Request Forgery via DNS Rebinding Bypass
- State
- Published
- Severity
- 7.7 High
- Published
- Jul 30, 2026
- Updated
- Jul 31, 2026
- Reserved
- Jul 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N | VulnCheck |
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
swarmskyegomez |
|
References
- Researcher Disclosuretechnical-descriptionissue-tracking
- Pull Requestissue-trackingpatch
- Patch Commitpatch
- https://www.vulncheck.com/advisories/swarms-server-side-request-forgery-via-dns-rebinding-bypassthird-party-advisory
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