diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml
index 016576bf8..b753f8fef 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -40,7 +40,7 @@ body:
     attributes:
       label: OS, Node version, browser
       description: Include the versions you can find. Write "unknown" for anything unavailable.
-      placeholder: "Windows 11, Node 24.14.0, Chrome 151"
+      placeholder: "Windows 11, Node 24.22.2, Chrome 151"
     validations:
       required: true
   - type: input
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce3563685..63d1eb29b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,10 +20,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [24.14.0, 26.x]
+        node: [24.22.2, 26.x]
     env:
       PUPPETEER_SKIP_DOWNLOAD: '1'
-      GEV_REQUIRE_ALLOCATION_GATE: ${{ matrix.node == '24.14.0' && '1' || '0' }}
+      GEV_REQUIRE_ALLOCATION_GATE: ${{ matrix.node == '24.22.2' && '1' || '0' }}
     steps:
       - name: Check out source
         uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
@@ -76,7 +76,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 24.14.0
+          node-version: 24.22.2
           cache: npm
 
       - name: Install locked dependencies and headless Chrome
@@ -131,7 +131,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 24.14.0
+          node-version: 24.22.2
           cache: npm
 
       - name: Run the Pinokio install path
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 49c0b8ce3..f2c78f4b4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,13 +4,15 @@ Thanks for being here. God's Eye View is an open foundation for live spatial int
 
 ## Getting set up
 
-Use Node.js 24.14.x or 26.x (also enforced by `package.json`).
+Use Node.js 24 (24.14.0 or later) or 26.x (also enforced by `package.json`).
+Prefer 24.22.1 or later: earlier releases lack the October 21, 2026 security
+fixes, including CVE-2026-111497 (a Brotli decoder flaw).
 
 ```bash
 git clone https://github.com/bilawalsidhu/gods-eye-view.git
 cd gods-eye-view
-nvm install 24.14.0
-nvm use 24.14.0
+nvm install 24.22.2
+nvm use 24.22.2
 npm install
 npm run doctor
 ./scripts/dev-fresh.sh        # or: npm run dev (keys are optional)
diff --git a/Dockerfile b/Dockerfile
index 433d170a8..a9b8aebd9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 # proxies (ADS-B, AIS, Overpass, OpenAI Realtime, ...) as middleware, so there
 # is nothing else to containerise. See compose.yaml for the usual entry point.
 # Same Node as CI (package.json engines, .github/workflows), pinned by digest.
-FROM node:24.14.0-slim@sha256:d8e448a56fc63242f70026718378bd4b00f8c82e78d20eefb199224a4d8e33d8
+FROM node:24.22.2-slim@sha256:c86ecead9e55a5210ac1727de38a4ca840bf03dcaf34dc9749addbf383b1920c
 
 # Puppeteer is only used by the QA scripts; skip its ~150MB Chromium download.
 ENV PUPPETEER_SKIP_DOWNLOAD=1
diff --git a/README.md b/README.md
index dcd9ff400..5baba4ad4 100644
--- a/README.md
+++ b/README.md
@@ -129,8 +129,9 @@ hardware; it does not establish a minimum GPU requirement.
 
 ### Path 2 — Terminal / coding agent
 
-Use **Node.js 24.x (24.14.0 or later) or 26.x**. The setup doctor warns about
-Node 25, which is end-of-life.
+Use **Node.js 24.x (24.14.0 or later) or 26.x**; 24.22.1 or later (26.12.1 or
+later on 26) includes the October 21, 2026 security fixes, among them
+CVE-2026-111497. The setup doctor warns about Node 25, which is end-of-life.
 
 ```bash
 git clone https://github.com/bilawalsidhu/gods-eye-view.git
diff --git a/changelog.d/1458-node-24-22-1-security-release.md b/changelog.d/1458-node-24-22-1-security-release.md
new file mode 100644
index 000000000..d379a26f1
--- /dev/null
+++ b/changelog.d/1458-node-24-22-1-security-release.md
@@ -0,0 +1,4 @@
+- The Docker image and CI now pin Node 24.22.2, the current 24 LTS patch. It
+  carries the October 21, 2026 security fixes first released in 24.22.1,
+  including CVE-2026-111497 in the Brotli decoder (Luis Ortiz, @anobjectn,
+  #1458).
diff --git a/docs/CURRENT-STATE.md b/docs/CURRENT-STATE.md
index b27899f3d..62a85a1ac 100644
--- a/docs/CURRENT-STATE.md
+++ b/docs/CURRENT-STATE.md
@@ -3449,7 +3449,8 @@ down | auth-failed` (plus the unchanged `missing-key`/`unsupported`) with
 >   style-switch persistence state. Browser/GPU performance comparison remains
 >   operator-side; the final accounting records only comparable population
 >   reductions and deterministic Node allocation/solve measurements. Those
->   allocation gates are calibrated on Node.js 24.14.x; `package.json` permits
+>   allocation gates were calibrated on Node.js 24.14.x and run in CI on the
+>   pinned Node.js 24.22.2 with the same ceilings; `package.json` permits
 >   supported product runtimes on Node 24 or 26, while the allocation runner
 >   separately enforces Node 24 for these two calibrated probes. Each probe
 >   compiles synchronously and discards explicit-GC
@@ -6198,7 +6199,10 @@ The lockfile uses DOMPurify 3.4.17, protobufjs 8.8.0, PostCSS 8.5.28,
 source-map-js 1.2.2 and nanoid 3.3.19. Cesium remains on 1.138.0. Browser QA
 uses Puppeteer 25.10.0; image-processing tools use Sharp 0.35.5. QA scripts await Puppeteer's asynchronous
 executable-path lookup before testing or passing the path to Chrome. Supported Node versions remain
-24.14.x and 26.x. Use `npm ci` to reproduce the checked-in dependency tree.
+Node 24 (24.14.0 or later) and 26.x; the Docker image and CI pin 24.22.2,
+the current 24 LTS patch, which carries the October 21, 2026 Node.js security
+fixes first released in 24.22.1 (including CVE-2026-111497). Use
+`npm ci` to reproduce the checked-in dependency tree.
 
 ### Traffic city navigation
 
diff --git a/scripts/setup-doctor.mjs b/scripts/setup-doctor.mjs
index 7075be2c1..600e96b09 100644
--- a/scripts/setup-doctor.mjs
+++ b/scripts/setup-doctor.mjs
@@ -57,7 +57,7 @@ export function classifyNodeVersion(version = process.versions.node) {
   // NEWER than this release has verified is a warning, never a refusal: a
   // future Node must not brick a no-terminal install with advice its user
   // cannot follow. Too-old stays an error above — old runtimes genuinely fail.
-  return { level: 'warn', summary: 'newer than this release has verified; Node 24.14.x or 26.x is the tested path' };
+  return { level: 'warn', summary: 'newer than this release has verified; Node 24.22.x or 26.x is the tested path' };
 }
 
 /** Verify that every direct package declared by this checkout is present. */