CVE-2026-34881

high

Description

OpenStack Glance before 29.1.1, 30.x before 30.1.1, and 31.0.0 is affected by Server-Side Request Forgery (SSRF). By use of HTTP redirects, an authenticated user can bypass URL validation checks and redirect to internal services. Only glance image import functionality is affected. In particular, the web-download and glance-download import methods are subject to this vulnerability, as is the optional (not enabled by default) ovf_process image import plugin.

References

https://security.openstack.org/ossa/OSSA-2026-004.html

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34881.json

https://bugzilla.redhat.com/show_bug.cgi?id=2440368

https://bugs.launchpad.net/glance/+bug/2138602

https://access.redhat.com/security/cve/CVE-2026-34881

Details

Source: Mitre, NVD

Published: 2026-03-31

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Severity: High

EPSS

EPSS: 0.00026