diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3bb9ef..e031a57 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,6 +52,9 @@ jobs:
       - name: Audit source file size
         run: scripts/audit_source_lines.sh
 
+      - name: Verify Rust advisory exception boundaries
+        run: scripts/verify_rust_advisory_exceptions.sh
+
       - name: Verify macOS bundle metadata
         run: scripts/verify_macos_bundle_metadata.sh
 
@@ -83,6 +86,19 @@ jobs:
           test -x target/distribution/ely-browser/ely_app
           test -x target/distribution/ely-browser/ely_servo_sidecar
 
+  rust-advisories:
+    name: Rust dependency advisories
+    uses: google/osv-scanner-action/.github/workflows/osv-scanner-reusable.yml@9a498708959aeaef5ef730655706c5a1df1edbc2 # v2.3.8
+    permissions:
+      actions: read
+      contents: read
+    with:
+      scan-args: |-
+        --lockfile=./Cargo.lock
+        --config=./osv-scanner.toml
+      upload-sarif: false
+      fail-on-vuln: true
+
   portable:
     name: Portable app (${{ matrix.os }})
     runs-on: ${{ matrix.os }}
@@ -122,6 +138,7 @@ jobs:
           scripts/create_macos_app_bundle.sh
           scripts/create_native_distribution.sh
           scripts/release_build_env.sh
+          scripts/verify_rust_advisory_exceptions.sh
           scripts/verify_release_artifacts.sh
 
       - name: Build native distribution
diff --git a/osv-scanner.toml b/osv-scanner.toml
new file mode 100644
index 0000000..66e0966
--- /dev/null
+++ b/osv-scanner.toml
@@ -0,0 +1,67 @@
+[[IgnoredVulns]]
+id = "RUSTSEC-2023-0071"
+ignoreUntil = 2026-10-15
+reason = "Vendored RSA returns before the shared private exponent primitive; unit and WebCrypto tests enforce the gate while RUSTSEC-2023-0071 has no patched release."
+
+[[PackageOverrides]]
+name = "quick-xml"
+version = "0.30.0"
+ecosystem = "crates.io"
+vulnerability.ignore = true
+effectiveUntil = 2026-10-15
+reason = "Workspace and release feature graphs omit GPUI screen-capture; this optional zed-scap/xcb parser remains lock-only."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0052"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in GPUI's zed-async-tar transport dependency; migrate with the next GPUI transport refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0141"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's WebRender serialization dependency; migrate with the next Servo/WebRender refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2024-0384"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory inherited from the pinned UI and engine stack; migrate with the next upstream stack refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2024-0436"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory inherited from the pinned UI and engine stack; migrate with the next upstream stack refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0134"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's TLS parsing dependency; migrate with the next Servo networking refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2026-0192"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory across pinned GPUI and Servo font stacks; migrate with their coordinated font dependency refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0081"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's pinned Unicode stack; migrate with the next Servo Unicode refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0075"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's pinned Unicode stack; migrate with the next Servo Unicode refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0080"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's pinned Unicode stack; migrate with the next Servo Unicode refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0100"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's pinned Unicode stack; migrate with the next Servo Unicode refresh."
+
+[[IgnoredVulns]]
+id = "RUSTSEC-2025-0098"
+ignoreUntil = 2026-10-15
+reason = "Maintenance-status advisory in Servo's pinned Unicode stack; migrate with the next Servo Unicode refresh."
diff --git a/scripts/verify_rust_advisory_exceptions.sh b/scripts/verify_rust_advisory_exceptions.sh
new file mode 100755
index 0000000..7198cab
--- /dev/null
+++ b/scripts/verify_rust_advisory_exceptions.sh
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+cd "${repo_root}"
+
+rsa_count="$(
+  awk '$0 == "name = \"rsa\"" { count += 1 } END { print count + 0 }' Cargo.lock
+)"
+
+if [[ "${rsa_count}" -ne 1 ]]; then
+  echo "RSA advisory exception requires exactly one locked RSA package" >&2
+  exit 1
+fi
+
+rsa_tree="$(
+  cargo tree --locked -p ely_servo_host \
+    --features servo-engine,hardware-render \
+    -e features \
+    -i rsa@0.10.0-rc.18
+)"
+
+if [[ "${rsa_tree%%$'\n'*}" != "rsa v0.10.0-rc.18 (${repo_root}/third_party/rsa)" ]]; then
+  echo "RSA advisory exception requires the vendored 0.10.0-rc.18 package" >&2
+  exit 1
+fi
+
+if [[ "${rsa_tree}" != *'rsa feature "private-key-operations-disabled"'* ]]; then
+  echo "RSA advisory exception requires private-key-operations-disabled" >&2
+  exit 1
+fi
+
+quick_xml_tree="$(
+  cargo tree --workspace --all-features --target all --locked -i quick-xml@0.30.0 2>/dev/null
+)"
+
+if [[ -n "${quick_xml_tree}" ]]; then
+  echo "quick-xml 0.30.0 advisory exception requires a lock-only dependency" >&2
+  exit 1
+fi