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Public proof of conceptFix available

CVE-2026-34881

A public proof of concept exists; no exploitation attested.

  • Published2026-03-31
  • Fixed in30.1.1 · 29.1.1
  • WeaknessCWE-918

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-03-3106:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-34881?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-34881?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Openstack glance
BranchAffectedFixed in
30.x≥ 30.0.0, < 30.1.130.1.1
29.1< 29.1.129.1.1
31.0= 31.0.0no fix published
glance
BranchAffectedFixed in
31.x≥ 31.0.0, < 31.1.031.1.0
30.x≥ 30.0.0, < 30.2.030.2.0
29.2< 29.2.029.2.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Openstack glance to 30.1.1 · 29.1.1

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-03-31
  • OpenCVESSVC decisionpoc—
  • CNACVSS 3.15read 2026-10-23
  • CNAweakness (CWE)CWE-918read 2026-10-23
  • FIRST EPSSEPSS score0.4 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
Published
2026-03-31
Last Modified
2026-08-14
NVD status
Modified

Frequently asked questions

What is CVE-2026-34881?

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.

Is CVE-2026-34881 actively exploited?

A proof-of-concept exploit exists for CVE-2026-34881, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-34881?

CVE-2026-34881 has a CVSS v3 base score of 5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

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