Vulnerability DatabaseCVE-2026-78242
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CVE-2026-78242
Published:October 01, 2026
Updated:October 09, 2026
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.
Affected Packages
https://github.com/apache/apisix.git (GITHUB):
Affected version(s) >=3.17.0 <3.19.0
Fix Suggestion:
Update to version 3.19.0
Related Resources (3)
https://lists.apache.org/thread.html/qxzsyw1pbgxg4sqkc4t2g8h4w2q0mvsn
https://nvd.nist.gov/vuln/detail/CVE-2026-78242
http://www.openwall.com/lists/oss-security/2026/10/01/2
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CVSS v4
Base Score:
5.7
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Insertion of Sensitive Information into Log File
CWE-532
EPSS
Base Score:
0.15