Vulnerability DatabaseCVE-2026-43002
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CVE-2026-43002
Published:May 05, 2026
Updated:June 23, 2026
An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.
Affected Packages
horizon (PYTHON):
Affected version(s) >=25.6.0 <25.7.3
Fix Suggestion:
Update to version 25.7.3
horizon (PYTHON):
Affected version(s) >=25.7.0 <25.7.3
Fix Suggestion:
Update to version 25.7.3
Related Resources (5)
https://security.openstack.org/ossa/OSSA-2026-009.html
https://www.openwall.com/lists/oss-security/2026/05/05/7
https://bugs.launchpad.net/horizon/+bug/2150331
https://github.com/openstack/horizon
https://nvd.nist.gov/vuln/detail/CVE-2026-43002
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Incorrect Behavior Order
CWE-696
EPSS
Base Score:
0.36