CVE-2026-111810High· 7.5▾ TwilightApache Traffic Server 9.2.15, 10.1.4 and 10.2.0 write one unthrottled diagnostic log line for every internal @ header they strip, so a request carrying many such headers makes the proxy write far more log data than the request contains. …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Apache Traffic Server 9.2.15, 10.1.4 and 10.2.0 write one unthrottled diagnostic log line for every internal @ header they strip, so a request carrying many such headers makes the proxy write far more log data than the request contains.
This issue affects Apache Traffic Server: 9.2.15, 10.1.4, 10.2.0.
Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.
apache_traffic_server 9.2.15apache_traffic_server 10.1.4apache_traffic_server 10.2.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-111805High· 8.6Apache Traffic Server: HTTP/2 Content-Length truncation lets a client trigger backend worker-pool exhaustion
CVE-2026-111817Medium· 5.3Apache Traffic Server: Dropping chunked trailers stalls a passthrough transfer until timeout
CVE-2026-111815Critical· 10.0Apache Traffic Server: TLS session ticket resumption bypasses per-SNI verify_client STRICT enforcement
CVE-2026-111808High· 8.6Apache Traffic Server: HTTP/2 DATA frame padding underflow lets a client trigger backend worker-pool exhaustion
CVE-2026-111809Critical· 9.3Apache Traffic Server: HEAD requests carrying Content-Length or Transfer-Encoding enable request smuggling
CVE-2026-111814Critical· 10.0Apache Traffic Server: Default server_session_sharing.match omits MASK_CERT, allowing pooled mTLS identity confusion at the origin