diff --git a/.iyarc b/.iyarc
index 3fa8de8b3..79536d383 100644
--- a/.iyarc
+++ b/.iyarc
@@ -15,3 +15,7 @@ GHSA-6fc8-4gx4-v693
 # patched version of 3.3.1. We can remove this once the
 # smart-transaction-controller updates its dependency.
 GHSA-8gh8-hqwg-xf34
+
+# request library is subject to SSRF.
+# addressed by temporary patch in .yarn/patches/request-npm-2.88.2-f4a57c72c4.patch
+GHSA-p8p7-x288-28g6
diff --git a/.yarn/patches/request-npm-2.88.2-f4a57c72c4.patch b/.yarn/patches/request-npm-2.88.2-f4a57c72c4.patch
new file mode 100644
index 000000000..c879c340c
--- /dev/null
+++ b/.yarn/patches/request-npm-2.88.2-f4a57c72c4.patch
@@ -0,0 +1,31 @@
+diff --git a/lib/redirect.js b/lib/redirect.js
+index b9150e77c73d63367845c0aec15b5684d900943f..2864f9f2abc481ecf2b2dd96b1293f5b93393efd 100644
+--- a/lib/redirect.js
++++ b/lib/redirect.js
+@@ -14,6 +14,7 @@ function Redirect (request) {
+   this.redirects = []
+   this.redirectsFollowed = 0
+   this.removeRefererHeader = false
++  this.allowInsecureRedirect = false
+ }
+ 
+ Redirect.prototype.onRequest = function (options) {
+@@ -40,6 +41,9 @@ Redirect.prototype.onRequest = function (options) {
+   if (options.followOriginalHttpMethod !== undefined) {
+     self.followOriginalHttpMethod = options.followOriginalHttpMethod
+   }
++  if (options.allowInsecureRedirect !== undefined) {
++    self.allowInsecureRedirect = options.allowInsecureRedirect
++  }
+ }
+ 
+ Redirect.prototype.redirectTo = function (response) {
+@@ -108,7 +112,7 @@ Redirect.prototype.onResponse = function (response) {
+   request.uri = url.parse(redirectTo)
+ 
+   // handle the case where we change protocol from https to http or vice versa
+-  if (request.uri.protocol !== uriPrev.protocol) {
++  if (request.uri.protocol !== uriPrev.protocol && self.allowInsecureRedirect) {
+     delete request.agent
+   }
+ 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1a20c505..f87706165 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -198,6 +198,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Make username mandatory in the edit contact screen ([#17425](https://github.com/MetaMask/metamask-extension/pull/17425))
 - NFTs: Hide  detail when no thumbnail available ([#17693](https://github.com/MetaMask/metamask-extension/pull/17693))
 - Removing TEXT_VARIANTS in favour of TextVariant ([#17674](https://github.com/MetaMask/metamask-extension/pull/17674))
+## [10.27.0]
+### Added
+- feat: add the ConsenSys zkEVM (Linea) as a default network ([#17875](https://github.com/MetaMask/metamask-extension/pull/17875))
+
+## [10.26.2]
+### Changed
+- Sign in with Ethereum: re-enable warning UI for mismatched domains / disable domain binding ([#18200](https://github.com/MetaMask/metamask-extension/pull/18200))
 
 ## [10.26.1]
 ### Fixed
@@ -3727,6 +3734,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 [Unreleased]: https://github.com/MetaMask/metamask-extension/compare/v10.28.0...HEAD
 [10.28.0]: https://github.com/MetaMask/metamask-extension/compare/v10.26.1...v10.28.0
+[Unreleased]: https://github.com/MetaMask/metamask-extension/compare/v10.27.0...HEAD
+[10.27.0]: https://github.com/MetaMask/metamask-extension/compare/v10.26.2...v10.27.0
+[10.26.2]: https://github.com/MetaMask/metamask-extension/compare/v10.26.1...v10.26.2
 [10.26.1]: https://github.com/MetaMask/metamask-extension/compare/v10.26.0...v10.26.1
 [10.26.0]: https://github.com/MetaMask/metamask-extension/compare/v10.25.0...v10.26.0
 [10.25.0]: https://github.com/MetaMask/metamask-extension/compare/v10.24.2...v10.25.0
diff --git a/shared/constants/network.ts b/shared/constants/network.ts
index b061c2647..4c619d140 100644
--- a/shared/constants/network.ts
+++ b/shared/constants/network.ts
@@ -290,6 +290,12 @@ export const BUILT_IN_NETWORKS = {
     ticker: TEST_NETWORK_TICKER_MAP[NETWORK_TYPES.LINEA_TESTNET],
     blockExplorerUrl: 'https://explorer.goerli.linea.build',
   },
+  [NETWORK_TYPES.LINEA_TESTNET]: {
+    networkId: NETWORK_IDS.LINEA_TESTNET,
+    chainId: CHAIN_IDS.LINEA_TESTNET,
+    ticker: TEST_NETWORK_TICKER_MAP[NETWORK_TYPES.LINEA_TESTNET],
+    blockExplorerUrl: 'https://explorer.goerli.linea.build',
+  },
   [NETWORK_TYPES.MAINNET]: {
     networkId: NETWORK_IDS.MAINNET,
     chainId: CHAIN_IDS.MAINNET,
diff --git a/yarn.lock b/yarn.lock
index c770a116f..c492583b8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -29731,7 +29731,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"request@npm:^2.83.0, request@npm:^2.85.0, request@npm:^2.88.2":
+"request@npm:2.88.2":
   version: 2.88.2
   resolution: "request@npm:2.88.2"
   dependencies:
@@ -29759,6 +29759,34 @@ __metadata:
   languageName: node
   linkType: hard
 
+"request@patch:request@npm%3A2.88.2#./.yarn/patches/request-npm-2.88.2-f4a57c72c4.patch::locator=metamask-crx%40workspace%3A.":
+  version: 2.88.2
+  resolution: "request@patch:request@npm%3A2.88.2#./.yarn/patches/request-npm-2.88.2-f4a57c72c4.patch::version=2.88.2&hash=2aadd7&locator=metamask-crx%40workspace%3A."
+  dependencies:
+    aws-sign2: ~0.7.0
+    aws4: ^1.8.0
+    caseless: ~0.12.0
+    combined-stream: ~1.0.6
+    extend: ~3.0.2
+    forever-agent: ~0.6.1
+    form-data: ~2.3.2
+    har-validator: ~5.1.3
+    http-signature: ~1.2.0
+    is-typedarray: ~1.0.0
+    isstream: ~0.1.2
+    json-stringify-safe: ~5.0.1
+    mime-types: ~2.1.19
+    oauth-sign: ~0.9.0
+    performance-now: ^2.1.0
+    qs: ~6.5.2
+    safe-buffer: ^5.1.2
+    tough-cookie: ~2.5.0
+    tunnel-agent: ^0.6.0
+    uuid: ^3.3.2
+  checksum: 1a64d706b36b2bdd5803c3a0fd3fee5e76e8c17d01c34f84972460fbfa5914302c300821a1fafce804d236e637f3745f3bdfbbb4219c139e112076790fc279af
+  languageName: node
+  linkType: hard
+
 "require-directory@npm:^2.1.1":
   version: 2.1.1
   resolution: "require-directory@npm:2.1.1"