CVE-2026-78242 - Vulnerability Details - OpenCVE

Insertion of sensitive information into log file vulnerability in Apache APISIX.

This vulnerability can cause the unmasked header value to be written to the log sink under a certain response structure.

This issue affects Apache APISIX: 3.17.0.

Users are recommended to upgrade to version 3.18.0, which fixes the issue.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://lists.apache.org/thread.html/qxzsyw1pbgxg4sqkc4t2g8h4w2q0mvsn

History

Thu, 01 Oct 2026 11:00:00 +0000

Type	Values Removed	Values Added
Description		Insertion of sensitive information into log file vulnerability in Apache APISIX. This vulnerability can cause the unmasked header value to be written to the log sink under a certain response structure. This issue affects Apache APISIX: 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.
Title		Apache APISIX: data-mask may fail to redact request headers in logger output
Weaknesses		CWE-532
References		https://lists.apache.org/thread.html/qxzsyw1pbgxg4sqkc4t2g8h4w2q0mvsn
Metrics		cvssV4_0 `{'score': 5.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: apache

Published: 2026-10-01T10:58:13.262Z

Updated: 2026-10-01T10:58:13.262Z

Reserved: 2026-08-24T04:59:06.602Z

Link: CVE-2026-78242

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2026-10-01T11:17:27.280

Modified: 2026-10-01T12:54:27.463

Link: CVE-2026-78242

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-532

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