CVE-2026-78242

EUVD-2026-90763
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
5.7 MEDIUM
LOCAL
LOW
LOW
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
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apacheapisix
3.17.0
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread.html/qxzsyw1pbgxg4sqkc4t2g8h4w2q0mvsn
http://www.openwall.com/lists/oss-security/2026/10/01/2