What is CVE-2026-50221?

CVE-2026-50221 is a medium-severity vulnerability in Openstack Swift, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-06-23.

How severe is CVE-2026-50221?

Medium severity. CVSS v3 base score is 5.4 out of 10.

SSRF in Openstack Swift

CVE-2026-50221

In OpenStack Swift before 2.37.2, proxy-server does not strip internal update headers (X-Container-Host, X-Container-Device, X-Delete-At-Host, X-Delete-At-Device) from client requests before forwarding them to object-servers. An authentica…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Openstack Swift — versions 2.0.0, 2.36.0, 2.37.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cve@mitre.org (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch, Mailing List, Third Party Advisory)
cve@mitre.org (Patch, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-50221?: CVE-2026-50221 is a medium-severity vulnerability in Openstack Swift, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-06-23.
How severe is CVE-2026-50221?: Medium severity. CVSS v3 base score is 5.4 out of 10.