CVE-2026-34881

glance: OpenStack Glance before 29.1.1, 30.x before 30.1.1, and 31.0.0 is affected by Server-Side Request Forgery (SSRF)

CVE-2026-34881 is fixed in 6 products on 1 platform, first by glance 2:16.0.1-0ubuntu1.1+esm2, released March 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.0
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0028
20th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
glance · Debian 12.15 (bookworm) 2:25.1.0-2+deb12u2 DEBIAN-CVE-2026-34881 Mar 31, 2026
glance · Debian 13.5 (trixie) 2:30.0.0-3+deb13u1 DEBIAN-CVE-2026-34881 Mar 31, 2026
glance · Debian 14 2:31.0.0-3 DEBIAN-CVE-2026-34881 Mar 31, 2026
glance · Ubuntu 18.04.6 LTS (bionic) 2:16.0.1-0ubuntu1.1+esm2 glance 2:16.0.1-0ubuntu1.1+esm2 Mar 30, 2026
glance · Ubuntu 20.04 LTS (focal) 2:20.2.0-0ubuntu1.2+esm2 glance 2:20.2.0-0ubuntu1.2+esm2 Mar 30, 2026
glance-api · Ubuntu 18.04.6 LTS (bionic) 2:16.0.1-0ubuntu1.1+esm2 glance-api 2:16.0.1-0ubuntu1.1+esm2 Mar 30, 2026
glance-api · Ubuntu 20.04 LTS (focal) 2:20.2.0-0ubuntu1.2+esm2 glance-api 2:20.2.0-0ubuntu1.2+esm2 Mar 30, 2026
glance-common · Ubuntu 18.04.6 LTS (bionic) 2:16.0.1-0ubuntu1.1+esm2 glance-common 2:16.0.1-0ubuntu1.1+esm2 Mar 30, 2026
glance-common · Ubuntu 20.04 LTS (focal) 2:20.2.0-0ubuntu1.2+esm2 glance-common 2:20.2.0-0ubuntu1.2+esm2 Mar 30, 2026
glance-registry · Ubuntu 18.04.6 LTS (bionic) 2:16.0.1-0ubuntu1.1+esm2 glance-registry 2:16.0.1-0ubuntu1.1+esm2 Mar 30, 2026
python-glance · Ubuntu 18.04.6 LTS (bionic) 2:16.0.1-0ubuntu1.1+esm2 python-glance 2:16.0.1-0ubuntu1.1+esm2 Mar 30, 2026
python3-glance · Ubuntu 20.04 LTS (focal) 2:20.2.0-0ubuntu1.2+esm2 python3-glance 2:20.2.0-0ubuntu1.2+esm2 Mar 30, 2026

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