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Vulnerability record · CVE-2026-67346 · published 30 July 2026

CVE-2026-67346: Server-side request forgery (SSRF) vulnerability

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.

7.7 CVSS 4.0 High EPSS 0.51% · top 59.2% CWE-918 · Server-side request forgery (SSRF) Deferred
7.7CVSS 4.0 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
30 Jul 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-67346), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.