SB2026042831 - SSRF in Openstack Glance



SB2026042831 - SSRF in Openstack Glance

Published: April 28, 2026

Security Bulletin ID SB2026042831
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2026-34881)

The vulnerability allows a remote user to access internal services.

The vulnerability exists due to improper input validation in the web-download import method when following HTTP redirects. A remote user can provide a URL that passes validation and redirects to an internal or disallowed resource to access internal services.

Only the glance image import functionality is affected.


Remediation

Install update from vendor's website.