diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index cb914220e4be..0b8bacdc4407 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -1729,6 +1729,10 @@ in
     imports = [ ./varnish.nix ];
     _module.args.package = pkgs.varnish77;
   };
+  varnish80 = runTest {
+    imports = [ ./varnish.nix ];
+    _module.args.package = pkgs.varnish80;
+  };
   vault = runTest ./vault.nix;
   vault-agent = runTest ./vault-agent.nix;
   vault-dev = runTest ./vault-dev.nix;
diff --git a/pkgs/servers/varnish/default.nix b/pkgs/servers/varnish/default.nix
index c60e02ff5963..6d50f051655a 100644
--- a/pkgs/servers/varnish/default.nix
+++ b/pkgs/servers/varnish/default.nix
@@ -68,26 +68,32 @@ let
       buildFlags = [ "localstatedir=/var/run" ];
 
       patches =
-        lib.optionals (stdenv.isDarwin && lib.versionAtLeast version "7.7") [
-          # Fix VMOD section attribute on macOS
-          # Unreleased commit on master
-          (fetchpatch2 {
-            url = "https://github.com/varnishcache/varnish-cache/commit/a95399f5b9eda1bfdba6ee6406c30a1ed0720167.patch";
-            hash = "sha256-T7DIkmnq0O+Cr9DTJS4/rOtg3J6PloUo8jHMWoUZYYk=";
-          })
-          # Fix endian.h compatibility on macOS
-          # PR: https://github.com/varnishcache/varnish-cache/pull/4339
-          ./patches/0001-fix-endian-h-compatibility-on-macos.patch
-        ]
+        lib.optionals
+          (stdenv.isDarwin && lib.versionAtLeast version "7.7" && lib.versionOlder version "8.0")
+          [
+            # Fix VMOD section attribute on macOS
+            # Unreleased commit on master
+            (fetchpatch2 {
+              url = "https://github.com/varnishcache/varnish-cache/commit/a95399f5b9eda1bfdba6ee6406c30a1ed0720167.patch";
+              hash = "sha256-T7DIkmnq0O+Cr9DTJS4/rOtg3J6PloUo8jHMWoUZYYk=";
+            })
+            # Fix endian.h compatibility on macOS
+            # PR: https://github.com/varnishcache/varnish-cache/pull/4339
+            ./patches/0001-fix-endian-h-compatibility-on-macos.patch
+          ]
         ++ lib.optionals (stdenv.isDarwin && lib.versionOlder version "7.6") [
           # Fix duplicate OS_CODE definitions on macOS
           # PR: https://github.com/varnishcache/varnish-cache/pull/4347
           ./patches/0002-fix-duplicate-os-code-definitions-on-macos.patch
         ];
 
-      postPatch = ''
-        substituteInPlace bin/varnishtest/vtc_main.c --replace-fail /bin/rm "${coreutils}/bin/rm"
-      '';
+      postPatch =
+        lib.optionalString (lib.versionOlder version "8.0") ''
+          substituteInPlace bin/varnishtest/vtc_main.c --replace-fail /bin/rm "${coreutils}/bin/rm"
+        ''
+        + lib.optionalString (lib.versionAtLeast version "8.0") ''
+          substituteInPlace bin/varnishtest/vtest2/src/vtc_main.c --replace-fail /bin/rm "${coreutils}/bin/rm"
+        '';
 
       postConfigure = lib.optionalString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
         # prevent cache invalidation
@@ -144,6 +150,7 @@ let
         knownVulnerabilities = lib.optionals (lib.versions.major version == "7") [
           "VSV00018: https://vinyl-cache.org/security/VSV00018.html"
         ];
+        broken = stdenv.isDarwin && version == "8.0.1"; # https://github.com/NixOS/nixpkgs/issues/495368
       };
     };
 in
@@ -158,4 +165,9 @@ in
     version = "7.7.3";
     hash = "sha256-6W7q/Ez+KlWO0vtU8eIr46PZlfRvjADaVF1YOq74AjY=";
   };
+  # EOL 2026-09-15
+  varnish80 = common {
+    version = "8.0.1";
+    hash = "sha256-n1oi1YrNvqw3GhY9683TYSG+XuS8hKoYfrfNDDGP5oI=";
+  };
 }
diff --git a/pkgs/servers/varnish/modules.nix b/pkgs/servers/varnish/modules.nix
index fbbaea22e679..3dc5943fb152 100644
--- a/pkgs/servers/varnish/modules.nix
+++ b/pkgs/servers/varnish/modules.nix
@@ -22,7 +22,7 @@ let
       src = fetchFromGitHub {
         owner = "varnish";
         repo = "varnish-modules";
-        rev = version;
+        tag = version;
         inherit hash;
       };
 
@@ -59,4 +59,8 @@ in
     version = "0.26.0";
     hash = "sha256-xKMOkqm6/GoBve0AhPqyVMQv/oh5Rtj6uCeg/yId7BU=";
   };
+  modules27 = common {
+    version = "0.27.0";
+    hash = "sha256-1hE+AKsC6Td+Al7LFN6bgPicU8dtWd3A8PP7VKZLvYM=";
+  };
 }
diff --git a/pkgs/servers/varnish/packages.nix b/pkgs/servers/varnish/packages.nix
index 2ba8bc689fcd..7167ca143741 100644
--- a/pkgs/servers/varnish/packages.nix
+++ b/pkgs/servers/varnish/packages.nix
@@ -3,6 +3,7 @@
   callPackage,
   varnish60,
   varnish77,
+  varnish80,
   lib,
 }:
 {
@@ -24,4 +25,8 @@
     varnish = varnish77;
     modules = (callPackages ./modules.nix { inherit varnish; }).modules26;
   };
+  varnish80Packages = lib.recurseIntoAttrs rec {
+    varnish = varnish80;
+    modules = (callPackages ./modules.nix { inherit varnish; }).modules27;
+  };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c8c01ff0d16a..f5dbf691ed61 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3600,10 +3600,12 @@ with pkgs;
   inherit (callPackages ../servers/varnish { })
     varnish60
     varnish77
+    varnish80
     ;
   inherit (callPackages ../servers/varnish/packages.nix { })
     varnish60Packages
     varnish77Packages
+    varnish80Packages
     ;
   varnishPackages = varnish77Packages;
   varnish = varnishPackages.varnish;