diff --git a/codex-rs/.cargo/audit.toml b/codex-rs/.cargo/audit.toml
index 5a0ebedb48..f42aafa441 100644
--- a/codex-rs/.cargo/audit.toml
+++ b/codex-rs/.cargo/audit.toml
@@ -16,6 +16,14 @@ ignore = [
     "RUSTSEC-2026-0489", # hickory-proto 0.25.2 via rama-dns/rama-tcp; remove after the Rust/Rama upgrade to hickory-proto >=0.26.2
     "RUSTSEC-2026-0490", # hickory-proto 0.25.2 via rama-dns/rama-tcp; remove after the Rust/Rama upgrade to hickory-proto >=0.26.2
     "RUSTSEC-2026-0491", # hickory-proto 0.25.2 via rama-dns/rama-tcp; remove after the Rust/Rama upgrade to hickory-proto >=0.26.2
+    # DNSSEC-only advisories published 2026-11-12; DNSSEC is disabled even with
+    # all workspace features enabled. Reassess before enabling DNSSEC; remove
+    # after the tracked Rust/Rama upgrade replaces Hickory 0.25 with >=0.26.2.
+    "RUSTSEC-2026-0504", # hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2
+    "RUSTSEC-2026-0505", # hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2
+    "RUSTSEC-2026-0511", # hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2
+    "RUSTSEC-2026-0512", # hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2
+    "RUSTSEC-2026-0514", # hickory-resolver 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2
     "RUSTSEC-2026-0194", # quick-xml via plist/syntect and wayland-scanner; trusted inputs only; remove when rust-plist#191 and wayland-rs#938 are released
     "RUSTSEC-2026-0195", # quick-xml via plist/syntect and wayland-scanner; trusted inputs only; remove when rust-plist#191 and wayland-rs#938 are released
     "RUSTSEC-2026-0370", # zvariant 4.2.0 via zbus 4.4.0 in Linux TUI and keyring/secret-service; remove when those paths migrate off the retired standalone crates
diff --git a/codex-rs/deny.toml b/codex-rs/deny.toml
index ac92c62c0f..a3e89f3c18 100644
--- a/codex-rs/deny.toml
+++ b/codex-rs/deny.toml
@@ -87,6 +87,14 @@ ignore = [
     { id = "RUSTSEC-2026-0489", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; temporarily accepted until the Rust toolchain and Rama upgrade brings hickory-proto >=0.26.2" },
     { id = "RUSTSEC-2026-0490", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; temporarily accepted until the Rust toolchain and Rama upgrade brings hickory-proto >=0.26.2" },
     { id = "RUSTSEC-2026-0491", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; temporarily accepted until the Rust toolchain and Rama upgrade brings hickory-proto >=0.26.2" },
+    # DNSSEC-only advisories published 2026-11-12; DNSSEC is disabled even with
+    # all workspace features enabled. Reassess before enabling DNSSEC; remove
+    # after the tracked Rust/Rama upgrade replaces Hickory 0.25 with >=0.26.2.
+    { id = "RUSTSEC-2026-0504", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2" },
+    { id = "RUSTSEC-2026-0505", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2" },
+    { id = "RUSTSEC-2026-0511", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2" },
+    { id = "RUSTSEC-2026-0512", reason = "hickory-proto 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2" },
+    { id = "RUSTSEC-2026-0514", reason = "hickory-resolver 0.25.2 via rama-dns/rama-tcp in codex-network-proxy; DNSSEC is disabled even with all workspace features; reassess before enabling DNSSEC; remove after the Rust/Rama upgrade uses Hickory >=0.26.2" },
     { id = "RUSTSEC-2026-0194", reason = "quick-xml v0.39.4 remains via plist/syntect and wayland-scanner; plist does not exercise the affected APIs and wayland-scanner parses trusted build-time XML; remove when rust-plist#191 and wayland-rs#938 are released" },
     { id = "RUSTSEC-2026-0195", reason = "quick-xml v0.39.4 remains via plist/syntect and wayland-scanner; plist does not exercise the affected APIs and wayland-scanner parses trusted build-time XML; remove when rust-plist#191 and wayland-rs#938 are released" },
     { id = "RUSTSEC-2026-0370", reason = "zvariant 4.2.0 is unmaintained; pulled in via zbus 4.4.0 by Linux TUI accessibility integration and keyring/secret-service; remove when those paths migrate off the retired standalone crates" },