Summaryinfo

A vulnerability labeled as critical has been found in OpenStack Glance up to 29.1.0/30.1.0/31.0.0. Affected by this issue is some unknown functionality of the component ovf_process Image Import Plugin. Executing a manipulation can lead to server-side request forgery. This vulnerability is tracked as CVE-2026-34881. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in OpenStack Glance up to 29.1.0/30.1.0/31.0.0. This vulnerability affects an unknown part of the component ovf_process Image Import Plugin. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenStack Glance =30.0.0 <30.1.1, ==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.

The advisory is available at bugs.launchpad.net. This vulnerability was named CVE-2026-34881 since 03/31/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 304411 (Linux Distros Unpatched Vulnerability : CVE-2026-34881), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 29.1.1 or 30.1.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (304411). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Cloud Software

Vendor

• OpenStack

Name

• Glance

Version

• 29.0
• 29.1.0
• 30.0
• 30.1.0
• 31.0

License

• free

Website

• Vendor: https://www.openstack.org/

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