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Vulnerability Details :

CVE-2026-43002

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-05 May, 2026 | 00:00
Updated At-06 May, 2026 | 06:05
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:05 May, 2026 | 00:00
Updated At:06 May, 2026 | 06:05
Rejected At:
â–¼CVE Numbering Authority (CNA)

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 Products
Vendor
OpenStackOpenStack
Product
Horizon
Default Status
unaffected
Versions
Affected
  • From 25.6.0 before 25.7.3 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-696CWE-696 Incorrect Behavior Order
Type: CWE
CWE ID: CWE-696
Description: CWE-696 Incorrect Behavior Order
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugs.launchpad.net/horizon/+bug/2150331
N/A
https://www.openwall.com/lists/oss-security/2026/05/05/7
N/A
https://security.openstack.org/ossa/OSSA-2026-009.html
N/A
Hyperlink: https://bugs.launchpad.net/horizon/+bug/2150331
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/05/7
Resource: N/A
Hyperlink: https://security.openstack.org/ossa/OSSA-2026-009.html
Resource: N/A
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugs.launchpad.net/horizon/+bug/2150331
exploit
Hyperlink: https://bugs.launchpad.net/horizon/+bug/2150331
Resource:
exploit
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:05 May, 2026 | 17:17
Updated At:07 May, 2026 | 15:53

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-696Secondarycve@mitre.org
CWE ID: CWE-696
Type: Secondary
Source: cve@mitre.org
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugs.launchpad.net/horizon/+bug/2150331cve@mitre.org
N/A
https://security.openstack.org/ossa/OSSA-2026-009.htmlcve@mitre.org
N/A
https://www.openwall.com/lists/oss-security/2026/05/05/7cve@mitre.org
N/A
https://bugs.launchpad.net/horizon/+bug/2150331134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://bugs.launchpad.net/horizon/+bug/2150331
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://security.openstack.org/ossa/OSSA-2026-009.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/05/7
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://bugs.launchpad.net/horizon/+bug/2150331
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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Details not found