CVE-2026-78242: CWE-532 Insertion of sensitive information into log file in Apache Software Foundation Apache APISIX
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.
AI Analysis
Technical Summary
This vulnerability involves the insertion of sensitive information into log files by Apache APISIX 3.17.0. Specifically, unmasked header values may be written to the log sink when certain response structures are used, potentially exposing sensitive data. The Apache Software Foundation has addressed this issue in version 3.18.0.
Potential Impact
Sensitive information may be exposed in log files due to unmasked header values being logged. This could lead to information disclosure if logs are accessed by unauthorized parties. The CVSS 4.0 score is 5.7 (medium severity), indicating a moderate risk primarily due to local attack vector with low complexity and partial attack requirements.
Mitigation Recommendations
Users should upgrade Apache APISIX from version 3.17.0 to version 3.18.0, where this vulnerability is fixed. No other mitigation steps are specified.
CVE-2026-78242: CWE-532 Insertion of sensitive information into log file in Apache Software Foundation Apache APISIX
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.
CVSS v4.0
Score 5.7medium
Affected software
Apache Software Foundation
Apache APISIX
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the insertion of sensitive information into log files by Apache APISIX 3.17.0. Specifically, unmasked header values may be written to the log sink when certain response structures are used, potentially exposing sensitive data. The Apache Software Foundation has addressed this issue in version 3.18.0.
Potential Impact
Sensitive information may be exposed in log files due to unmasked header values being logged. This could lead to information disclosure if logs are accessed by unauthorized parties. The CVSS 4.0 score is 5.7 (medium severity), indicating a moderate risk primarily due to local attack vector with low complexity and partial attack requirements.
Mitigation Recommendations
Users should upgrade Apache APISIX from version 3.17.0 to version 3.18.0, where this vulnerability is fixed. No other mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-08-24T04:59:06.602Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abe748da43b0b3b89bd1c96
Added to database: 10/01/2026, 14:56:13 UTC
Last enriched: 10/01/2026, 15:19:28 UTC
Last updated: 10/01/2026, 19:41:32 UTC
Views: 3
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