CVE-2015-5251: PYSEC-2026-816 - OpenStack Image Service (Glance) allows remote authenticated users to bypass access restrictions

CVE-2015-5251 · Severity: medium · CVSS 4 · Published 2026-07-06

OpenStack Image Service (Glance) allows remote authenticated users to bypass access restrictions

Technologies: glance (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2015-5251 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2015-5251 being exploited in the wild.
How severe is CVE-2015-5251?
Medium severity, with a CVSS score of 4, published 6 July 2026.
Which products and versions are affected?
glance (PyPI) ECOSYSTEM:introduced=2011.2,fixed=2014.2.4, ECOSYSTEM:introduced=2011.2,fixed=2014.2.4,introduced=2015.1.0,fixed=2015.1.2.
Is there a fix for CVE-2015-5251?
Yes. glance (PyPI): upgrade to 2014.2.4, 2015.1.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2015-5251?
Check whether you run glance (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • glance (PyPI): upgrade to 2014.2.4, 2015.1.2 or later
    pip install "glance>=2015.1.2"

Affected products

  • glance (PyPI) ECOSYSTEM:introduced=2011.2,fixed=2014.2.4, ECOSYSTEM:introduced=2011.2,fixed=2014.2.4,introduced=2015.1.0,fixed=2015.1.2

Identifiers

  • CVE-2015-5251
  • GHSA-q748-mcwg-xmqv
  • PYSEC-2026-816

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