CVE-2026-58156

Summary

Apache Traffic Server mis-parses ports in URLs and userinfo, allowing port-based access-control bypass.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Traffic Server8.0.0 <= 8.1.9affected
Apache Software FoundationApache Traffic Server9.0.0 <= 9.2.14affected
Apache Software FoundationApache Traffic Server10.0.0 <= 10.1.3affected

Weaknesses

  • CWE-863: CWE-863 Incorrect Authorization

ADP Enrichment

CISA ADP Vulnrichment

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

References