CVE-2026-34881
Low
No strong exploitation signal.
CVSS base
5.0
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
EPSS — probability of exploitation (30 days)
0.3%
19.8th percentile
CISA KEV
Not listed
Weakness / dates
CWE-918
Published 2026-03-31 · modified 2026-08-14
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | N | None |
| Integrity | L | Low |
| Availability | N | None |
Timeline
- 2026-03-31 — Published (NVD)
- 2026-08-14 — Last modified (NVD)
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.
Affected
References
- exploit https://bugs.launchpad.net/glance/+bug/2138602
- https://security.openstack.org/ossa/OSSA-2026-004.html
- https://access.redhat.com/errata/RHSA-2026:39812
- https://access.redhat.com/errata/RHSA-2026:54757
- https://access.redhat.com/security/cve/CVE-2026-34881
- exploit https://bugs.launchpad.net/glance/+bug/2138602
- https://bugzilla.redhat.com/show_bug.cgi?id=2440368
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34881.json