Server-Side Request Forgery (SSRF) Affecting glance package, versions <2:25.1.0-2+deb12u2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.27% (20th percentile)

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  • Snyk IDSNYK-DEBIAN12-GLANCE-15883185
  • published4 Apr 2026
  • disclosed31 Mar 2026

Introduced: 31 Mar 2026

CVE-2026-34881  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade Debian:12 glance to version 2:25.1.0-2+deb12u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glance package and not the glance package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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 Base Scores

version 3.1