Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2026-34926

Summary
Assigner-trendmicro
Assigner Org ID-7f7bd7df-cffe-4fdb-ab6d-859363b89272
Published At-21 May, 2026 | 13:03
Updated At-22 May, 2026 | 12:47
Rejected At-
Credits

Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability

Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations.

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)
▼Known Exploited Vulnerabilities (KEV)
cisa.gov
Vendor:
Trend Micro IncorporatedTrend Micro
Product:Apex One
Added At:21 May, 2026
Due At:04 Jun, 2026

Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability

Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations.

Used in Ransomware

:

Unknown

CWE

:
CWE-23

Required Action:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes:

https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:trendmicro
Assigner Org ID:7f7bd7df-cffe-4fdb-ab6d-859363b89272
Published At:21 May, 2026 | 13:03
Updated At:22 May, 2026 | 12:47
Rejected At:
▼CVE Numbering Authority (CNA)

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

Affected Products
Vendor
Trend Micro IncorporatedTrend Micro, Inc.
Product
TrendAI Apex One
CPEs
  • cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*
Versions
Affected
  • From 2019 (14.0) before 14.0.0.17079 (semver)
Vendor
Trend Micro IncorporatedTrend Micro, Inc.
Product
TrendAI Apex One as a Service
CPEs
  • cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*
Versions
Affected
  • From SaaS before 14.0.20731 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-23CWE-23: Relative Path Traversal
Type: CWE
CWE ID: CWE-23
Description: CWE-23: Relative Path Traversal
Metrics
VersionBase scoreBase severityVector
3.16.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://success.trendmicro.com/en-US/solution/KA-0023430
N/A
https://success.trendmicro.com/ja-JP/solution/KA-0022974
N/A
https://jvn.jp/en/vu/JVNVU90583059/
N/A
https://www.jpcert.or.jp/english/at/2026/at260014.html
N/A
Hyperlink: https://success.trendmicro.com/en-US/solution/KA-0023430
Resource: N/A
Hyperlink: https://success.trendmicro.com/ja-JP/solution/KA-0022974
Resource: N/A
Hyperlink: https://jvn.jp/en/vu/JVNVU90583059/
Resource: N/A
Hyperlink: https://www.jpcert.or.jp/english/at/2026/at260014.html
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
kev
dateAdded:
2026-05-21
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926
government-resource
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926
Resource:
government-resource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@trendmicro.com
Published At:21 May, 2026 | 14:16
Updated At:21 May, 2026 | 20:16

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2026-05-212026-06-04Trend Micro Apex One (On-Premise) Directory Traversal VulnerabilityApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Date Added: 2026-05-21
Due Date: 2026-06-04
Vulnerability Name: Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Type: Secondary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-23Secondarysecurity@trendmicro.com
CWE ID: CWE-23
Type: Secondary
Source: security@trendmicro.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://jvn.jp/en/vu/JVNVU90583059/security@trendmicro.com
N/A
https://success.trendmicro.com/en-US/solution/KA-0023430security@trendmicro.com
N/A
https://success.trendmicro.com/ja-JP/solution/KA-0022974security@trendmicro.com
N/A
https://www.jpcert.or.jp/english/at/2026/at260014.htmlsecurity@trendmicro.com
N/A
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://jvn.jp/en/vu/JVNVU90583059/
Source: security@trendmicro.com
Resource: N/A
Hyperlink: https://success.trendmicro.com/en-US/solution/KA-0023430
Source: security@trendmicro.com
Resource: N/A
Hyperlink: https://success.trendmicro.com/ja-JP/solution/KA-0022974
Source: security@trendmicro.com
Resource: N/A
Hyperlink: https://www.jpcert.or.jp/english/at/2026/at260014.html
Source: security@trendmicro.com
Resource: N/A
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

0Records found
Details not found