CVE-2023-26758Public exploitNetwork attack vector

Unauthenticated file disclosure via customer path traversal

Published Feb 27, 2023 · Updated Mar 10, 2025

Path traversal in Sme.UP ERP TOKYO V6R1M220406 allows remote attackers to read arbitrary server files via ResourceService. ResourceService accepts relative traversal sequences in the customer parameter of an HTTP POST and resolves them outside the intended web root. No authentication is required, and readable files include application source or sensitive operating-system data.

CVSS severity7.5
High
EPSS probability0.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Sme.UP ERP TOKYO V6R1M220406 allows remote attackers to read arbitrary server files via ResourceService. ResourceService accepts relative traversal sequences in the customer parameter of an HTTP POST and resolves them outside the intended web root. No authentication is required, and readable files include application source or sensitive operating-system data.

The record

CVE
CVE-2023-26758
Published
Feb 27, 2023
Updated
Mar 10, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-22, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 10, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
8.2Tinexta CyberCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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