Priority LOW 36
Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dep…
CVSS 4.0HIGH 8.2· Network · No auth · No interaction · EPSS 0.0035 · Published 2026-10-21 · No fix listed CWE-476
Priority LOW 36
Apache Traffic Server can stall a chunked transfer that it passes through with its trailers removed (proxy.config.http.drop_chunked_trailers) until the connection times out, because it waits for the trailer bytes it has…
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00359 · Published 2026-10-21 · No fix listed CWE-400
Priority LOW 39
Apache Traffic Server's origin_server_auth plugin lets a client force signing of attacker-chosen AWS request headers under the proxy's own credentials.
CVSS 4.0HIGH 7.0· Network · No auth · No interaction · EPSS 0.00361 · Published 2026-10-21 · No fix listed CWE-863
Priority MEDIUM 42
Apache Traffic Server's experimental tsmemcache plugin allows unauthenticated network read, write, and deletion of the shared proxy cache.
CVSS 4.0CRITICAL 9.4· Network · No auth · No interaction · EPSS 0.00356 · Published 2026-10-21 · No fix listed CWE-306
Priority LOW 36
Apache Traffic Server allows request smuggling via HEAD requests that carry Content-Length or Transfer-Encoding.
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00218 · Published 2026-10-21 · No fix listed CWE-444
Priority MEDIUM 44
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 r…
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.0036 · Published 2026-10-21 · No fix listed CWE-400
Priority MEDIUM 42
Apache Traffic Server can resume a TLS session across SNI virtual hosts without re-verifying a client certificate required by the resumed host's verify_client STRICT policy.
CVSS 4.0HIGH 7.8· Network · No auth · No interaction · EPSS 0.00235 · Published 2026-10-21 · No fix listed CWE-295
Priority MEDIUM 42
Apache Traffic Server's default outbound session-sharing policy can reuse a pooled TLS session authenticated with one client certificate for a transaction configured to present a different one.
CVSS 4.0HIGH 7.8· Network · No auth · No interaction · EPSS 0.00235 · Published 2026-10-21 · No fix listed CWE-295
Priority MEDIUM 40
Apache Traffic Server can be used to exhaust an HTTP/1.1 origin's worker pool via a malformed padded HTTP/2 DATA frame.
CVSS 4.0HIGH 7.7· Network · No auth · No interaction · EPSS 0.00412 · Published 2026-10-21 · No fix listed CWE-191
Priority MEDIUM 40
Apache Traffic Server can be used to exhaust an HTTP/1.1 origin's worker pool via a truncated HTTP/2 Content-Length value.
CVSS 4.0HIGH 7.7· Network · No auth · No interaction · EPSS 0.00412 · Published 2026-10-21 · No fix listed CWE-400
Priority MEDIUM 45
Apache Traffic Server forwarded a malformed 302 response that should have been rejected as a parse error, because the Transfer-Encoding: chunked carve-out bypassed the rejection path.
CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00308 · Published 2026-10-21 · No fix listed CWE-444
Priority LOW 33
When a client sends a POST with Expect: 100-continue and the origin answers before reading the body, Apache Traffic Server parses the unread body left on the client connection as the next request.
CVSS 4.0HIGH 7.0· Network · No auth · No interaction · EPSS 0.00325 · Published 2026-10-21 · No fix listed CWE-444
Priority MEDIUM 41
Apache Traffic Server can return an origin connection to the shared pool while the origin is still waiting on a request body the client declared but never fully sent, including when the client used Expect: 100-continue.
CVSS 4.0CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00348 · Published 2026-10-21 · No fix listed CWE-444
Priority MEDIUM 44
Apache Traffic Server's experimental wasm plugin has a use-after-free in its transaction-close handler and forwards unvalidated guest-supplied metric IDs to the internal stats API.
CVSS 4.0HIGH 8.8· Network · No auth · No interaction · EPSS 0.00298 · Published 2026-10-21 · No fix listed CWE-416
Priority MEDIUM 49
Apache Traffic Server's experimental magick plugin lets an unauthenticated client control ImageMagick convert arguments in its default (unsigned) configuration.
CVSS 4.0CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.00489 · Published 2026-10-21 · No fix listed CWE-88