CVE-2026-34881
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5epss 0.3%
exploitation probability
0.3%top 82% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
Affected products
OpenStack · GlanceReferences
https://access.redhat.com/errata/RHSA-2026:39812https://access.redhat.com/security/cve/CVE-2026-34881https://bugs.launchpad.net/glance/+bug/2138602https://bugzilla.redhat.com/show_bug.cgi?id=2440368https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34881.jsonhttps://security.openstack.org/ossa/OSSA-2026-004.html