Vulnerability Report

CVE-2026-34881

Title: Server-Side Request Forgery in OpenStack Glance

SSRF

Proof Of Concept

No public PoC currently indexed for CVE-2026-34881.

CWE Category CWE-918

Published Date Mar 31, 2026

Modified Date Jul 15, 2026

Exploit Status Not Found

Score 5.0 CVSS v3.1

Exploit Probability (EPSS)

0.26%

Vulnerability Summary

CVE-2026-34881: 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.

Impacted Vendors

openstack 1

glance_project 1

Reference Links

https://bugs.launchpad.net/glance/+bug/2138602 https://security.openstack.org/ossa/OSSA-2026-004.html

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.0

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

CVSS v3.1

Source Entity 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Severity HIGH

7.1