---
id: CVE-2026-34881
aliases:
  - GHSA-mc26-q38v-83gv
  - PYSEC-2026-2492
title: OpenStack Glance is affected by Server-Side Request Forgery (SSRF)
summary: OpenStack Glance is affected by Server-Side Request Forgery (SSRF)
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N'
vendor: glance
product: glance
ecosystem: pip
affected:
  - glance < 29.2.0
  - 'glance >= 30.0.0, < 30.2.0'
  - 'glance >= 31.0.0, < 31.1.0'
patched:
  - glance 29.2.0
  - glance 30.2.0
  - glance 31.1.0
published: '2026-03-31'
updated: '2026-07-13'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-mc26-q38v-83gv'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-34881'
  - url: 'https://bugs.launchpad.net/glance/+bug/2138602'
  - url: 'https://github.com/openstack/glance'
  - url: 'https://security.openstack.org/ossa/OSSA-2026-004.html'
tags:
  - osv
  - pip
epss: 0.00438
epssPercentile: 0.35452
ingestedAt: '2026-07-13T18:58:00.533Z'
---

## Overview

OpenStack Glance versions < 29.1.1, >= 30.0.0 < 30.1.1, == 31.0.0 are 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 the 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.

## Affected packages

- `glance < 29.2.0`
- `glance >= 30.0.0, < 30.2.0`
- `glance >= 31.0.0, < 31.1.0`

## Remediation

Upgrade to a patched release:

- `glance 29.2.0`
- `glance 30.2.0`
- `glance 31.1.0`