PT-2026-29197 · Openstack+2 · Openstack Glance+3

Hyeongeun_Ji · CVE-2026-34881 · Published 2026-03-31 · Updated 2026-07-13

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenStack Glance versions prior to 29.1.1 OpenStack Glance versions 30.0.0 through 30.1.1 OpenStack Glance version 31.0.0

Description An authenticated user can bypass URL validation checks and redirect to internal services through HTTP redirects, leading to Server-Side Request Forgery (SSRF). The web-download and glance-download image import methods, as well as the ovf process image import plugin (when enabled), are affected.

Recommendations Update to a version of OpenStack Glance greater than or equal to 29.1.1. Update to a version of OpenStack Glance greater than or equal to 30.1.1. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-34881

GHSA-MC26-Q38V-83GV

PYSEC-2026-2492

RHSA-2026:39812

USN-8199-1

Affected Products

Linuxmint

Openstack Glance

Ubuntu

Ovf Process

References · 24

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34881.json · Exploit
• 🔥 https://bugs.launchpad.net/glance/+bug/2138602 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-34881 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-34881 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-34881 · Security Note
• https://osv.dev/vulnerability/GHSA-mc26-q38v-83gv · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8199-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8199-1 · Vendor Advisory
• https://security.openstack.org/ossa/OSSA-2026-004.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-32498 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-34881 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-34881 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-2492 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:39812 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-34881 · Vendor Advisory