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CVE-2026-34881

Quick assessment

Affected
OpenStack Glance
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenStack Glance是Mirrors of opendev.org/openstack开源的一个虚拟机镜像存储与管理服务。 OpenStack Glance 29.1.1之前版本、30.0.0至30.1.1之前版本和31.0.0版本存在安全漏洞，该漏洞源于URL验证检查可被绕过，可能导致服务端请求伪造攻击。

CVSS 5.0 · Medium EPSS 0.44% · P36

Affected Version Matrix 3

VendorProduct Version RangeStatus
OpenStack Glance < 29.1.1 affected
30.0.0< 30.1.1 affected
31.0.0 affected
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I. Basic Information for CVE-2026-34881

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenStack Glance 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenStack Glance是Mirrors of opendev.org/openstack开源的一个虚拟机镜像存储与管理服务。 OpenStack Glance 29.1.1之前版本、30.0.0至30.1.1之前版本和31.0.0版本存在安全漏洞，该漏洞源于URL验证检查可被绕过，可能导致服务端请求伪造攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenStack Glance 0 ~ 29.1.1 -

II. Public POCs for CVE-2026-34881

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III. Intelligence Information for CVE-2026-34881

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Vendor Advisories for CVE-2026-34881 (1)

IV. Related Vulnerabilities

Same product: Glance
Same vendor: OpenStack
Same weakness: CWE-918

V. Comments for CVE-2026-34881

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