CVE-2026-78242

Summary

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 Software

Weaknesses

• CWE-532: CWE-532 Insertion of sensitive information into log file

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/10/01/2

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://lists.apache.org/thread.html/qxzsyw1pbgxg4sqkc4t2g8h4w2q0mvsn

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