CVE-2026-34881 (GCVE-0-2026-34881)

Vulnerability from cvelistv5 – Published: 2026-03-31 05:29 – Updated: 2026-08-14 12:04
VLAI
Summary
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.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 13:47 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
OpenStack Glance Affected: 0 , < 29.1.1 (semver)
Affected: 30.0.0 , < 30.1.1 (semver)
Affected: 31.0.0 (semver)
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Red Hat Red Hat OpenStack Services on OpenShift 18.0 Unaffected: 1:26.1.1-18.0.20260422134725.c2ac316.el9ost , < * (rpm)
    cpe:/a:redhat:openstack:18.0::el9
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Red Hat Red Hat OpenStack Platform 16.2     cpe:/a:redhat:openstack:16.2
 Create a notification for this product.
Red Hat Red Hat OpenStack Platform 17.1     cpe:/a:redhat:openstack:17.1
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}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.