CVE-2026-34881
Last modified
CVE-2026-34881 is a medium-severity vulnerability rated 5/10 on the CVSS scale. 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. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openstack | Glance | < 29.1.1 |
| Openstack | Glance | >= 30.0.0, < 30.1.1 |
| Openstack | Glance | 31.0.0 |
References
- https://bugs.launchpad.net/glance/+bug/2138602Exploit, Issue Tracking, Third Party Advisory
- https://security.openstack.org/ossa/OSSA-2026-004.htmlPatch, Vendor Advisory
- https://bugs.launchpad.net/glance/+bug/2138602Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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