EUVD-2026-27406
Incorrect Behavior Order (CWE-696)
GHSA-vxvf-xvm3-p8j5
5.3
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Lifecycle Timeline
2
Patch available
May 05, 2026 - 18:02 EUVD
Analysis Generated
May 05, 2026 - 17:30 vuln.today
DescriptionNVD
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.
AnalysisAI
OpenStack Horizon 25.6 and 25.7 before 25.7.3 allows unauthenticated remote attackers to exhaust session storage backend resources through repeated requests that trigger write operations prior to authentication, causing denial of service. This is a regression of CVE-2014-8124 and is assigned CVSS 5.3 (network-based, low complexity, no authentication required).
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External POC / Exploit Code
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