CVE-2023-26559Network attack vector

Unauthenticated WEB-INF file read via path traversal

Published Apr 14, 2023 · Updated Feb 7, 2025

Directory traversal in Oxygen XML Web Author before 25.0.0.3 and Content Fusion before 5.0.3 allows remote attackers to read WEB-INF files. The vendor has not disclosed which request path bypasses containment or how Tomcat resource handling resolves it into WEB-INF. The request is unauthenticated, and default WEB-INF contents are not sensitive, limiting the disclosed consequence to files stored there.

CVSS severity5.3
Medium
EPSS probability1.01%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Directory traversal in Oxygen XML Web Author before 25.0.0.3 and Content Fusion before 5.0.3 allows remote attackers to read WEB-INF files. The vendor has not disclosed which request path bypasses containment or how Tomcat resource handling resolves it into WEB-INF. The request is unauthenticated, and default WEB-INF contents are not sensitive, limiting the disclosed consequence to files stored there.

The record

CVE
CVE-2023-26559
Published
Apr 14, 2023
Updated
Feb 7, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-22, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 7, 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

5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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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