diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
new file mode 100644
index 0000000000..74362ebe34
--- /dev/null
+++ b/.github/dependabot.yaml
@@ -0,0 +1,34 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
+
+  - package-ecosystem: pip
+    directory: /backend
+    schedule:
+      interval: daily
+
+  - package-ecosystem: pip
+    directory: backend/requirements
+    schedule:
+      interval: "monthly"
+    labels: [ ]
+    ignore:
+      - dependency-name: "*"
+
+  - package-ecosystem: npm
+    directory: /client
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /docker
+    schedule:
+      interval: daily
+
+  - package-ecosystem: pip
+    directory: /documentation
+    schedule:
+      interval: daily
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 26dc251551..dd919b228c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,12 +2,15 @@ name: Build
 
 on: [ push, pull_request ]
 
+# Declare default permissions as read only.
+permissions: read-all
+
 jobs:
   run_build:
     runs-on: "ubuntu-latest"
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/codacy.yml b/.github/workflows/codacy.yml
index 6cb0765ece..26d3bf45a2 100644
--- a/.github/workflows/codacy.yml
+++ b/.github/workflows/codacy.yml
@@ -22,8 +22,8 @@ on:
   schedule:
     - cron: '33 6 * * 2'
 
-permissions:
-  contents: read
+# Declare default permissions as read only.
+permissions: read-all
 
 jobs:
   codacy-security-scan:
@@ -36,7 +36,7 @@ jobs:
     steps:
       # Checkout the repository to the GitHub Actions runner
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       # Execute Codacy Analysis CLI and generate a SARIF output with the security issues identified during the analysis
       - name: Run Codacy Analysis CLI
@@ -56,6 +56,6 @@ jobs:
 
       # Upload the SARIF file generated in the previous step
       - name: Upload SARIF results file
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@f779452ac5af1c261dce0346a8f964149f49322b # v3.26.13
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index bb581d821a..aa2a227ee9 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -68,6 +68,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@f779452ac5af1c261dce0346a8f964149f49322b # v3.26.13
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9353271e7d..499cfb257b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,6 +2,9 @@ name: Test
 
 on: [ push, pull_request ]
 
+# Declare default permissions as read only.
+permissions: read-all
+
 env:
   CODACY_PROJECT_TOKEN: ${{ secrets.CODACY_PROJECT_TOKEN }}
 
@@ -10,7 +13,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           fetch-depth: 1
 
diff --git a/README.md b/README.md
index d240196abc..64f81b4fd5 100644
--- a/README.md
+++ b/README.md
@@ -19,10 +19,11 @@ The software is recognized by the [Digital Public Good Alliance](https://digital
 Project best practices and scores:
 | Metric | Score
 | :---: | :---: |
+| [OpenSSF Best Practices](https://bestpractices.coreinfrastructure.org/) | [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/3816/badge)](https://bestpractices.coreinfrastructure.org/projects/3816)
+| [OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/ossf/scorecard/badge)](https://scorecard.dev/viewer/?uri=github.com/globaleaks/globaleaks-whistleblowing-software)
 | [MDN HTTP Observatory](https://developer.mozilla.org/en-US/observatory/analyze?host=try.globaleaks.org) | ![Status](https://img.shields.io/badge/observatory-A%2B-brightgreen)
 | [Security Headers](https://securityheaders.com/?q=https%3A%2F%2Ftry.globaleaks.org%2F) | ![Status](https://img.shields.io/badge/security%20headers-A%2B-brightgreen)
 | [SSLLabs](https://www.ssllabs.com/ssltest/analyze.html?d=try.globaleaks.org) | [![Status](https://img.shields.io/static/v1?label=SSLLabs&message=A%2B&color=%3CCOLOR%3E)](https://www.ssllabs.com/ssltest/analyze.html?d=try.globaleaks.org&latest)
-| [CII Best Practices](https://bestpractices.coreinfrastructure.org/) | [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/3816/badge)](https://bestpractices.coreinfrastructure.org/projects/3816)
 
 Project statistics on OpenHub: [www.openhub.net/p/globaleaks](https://www.openhub.net/p/globaleaks)
 
diff --git a/backend/requirements/requirements-bionic.txt b/backend/requirements/requirements-bionic.txt
index 45d4f7d207..187e2704bf 100644
--- a/backend/requirements/requirements-bionic.txt
+++ b/backend/requirements/requirements-bionic.txt
@@ -3,7 +3,7 @@ cryptography==2.6.1
 h2==3.0.1
 idna==2.6
 priority==1.3.0
-pyopenSSL==17.5.0
+pyopenSSL==24.2.1
 pynacl==1.2
 pyotp==2.2.6
 python_gnupg==0.4.1
diff --git a/backend/requirements/requirements-bookworm.txt b/backend/requirements/requirements-bookworm.txt
index 77057c722b..6b6f062dbe 100644
--- a/backend/requirements/requirements-bookworm.txt
+++ b/backend/requirements/requirements-bookworm.txt
@@ -3,7 +3,7 @@ cryptography==38.0.4
 h2==4.1.0
 idna==3.3
 priority==2.0.0
-pyopenSSL==23.0.0
+pyopenSSL==24.2.1
 pynacl==1.5.0
 pyotp==2.6.0
 python_gnupg==0.4.9
diff --git a/backend/requirements/requirements-bullseye.txt b/backend/requirements/requirements-bullseye.txt
index 06c4916b73..3194b39a13 100644
--- a/backend/requirements/requirements-bullseye.txt
+++ b/backend/requirements/requirements-bullseye.txt
@@ -3,7 +3,7 @@ cryptography==3.3.2
 h2==4.0.0
 idna==2.10
 priority==1.3.0
-pyopenSSL==20.0.1
+pyopenSSL==24.2.1
 pynacl==1.4.0
 pyotp==2.3.0
 python_gnupg==0.4.6
diff --git a/backend/requirements/requirements-buster.txt b/backend/requirements/requirements-buster.txt
index 12831e0b0f..e62c55353b 100644
--- a/backend/requirements/requirements-buster.txt
+++ b/backend/requirements/requirements-buster.txt
@@ -3,7 +3,7 @@ cryptography==2.6.1
 h2==3.0.1
 idna==2.6
 priority==1.3.0
-pyopenSSL==19.0.0
+pyopenSSL==24.2.1
 pynacl==1.3.0
 pyotp==2.2.7
 python_gnupg==0.4.4
diff --git a/backend/requirements/requirements-focal.txt b/backend/requirements/requirements-focal.txt
index 2523ba4422..73a913706f 100644
--- a/backend/requirements/requirements-focal.txt
+++ b/backend/requirements/requirements-focal.txt
@@ -3,7 +3,7 @@ cryptography==2.8
 h2==3.1.1
 idna==2.8
 priority==1.3.0
-pyopenSSL==19.0.0
+pyopenSSL==24.2.1
 pynacl==1.3.0
 pyotp==2.3.0
 python_gnupg==0.4.5
diff --git a/backend/requirements/requirements-jammy.txt b/backend/requirements/requirements-jammy.txt
index 4b6bc66e99..dde46dce9d 100644
--- a/backend/requirements/requirements-jammy.txt
+++ b/backend/requirements/requirements-jammy.txt
@@ -3,7 +3,7 @@ cryptography==3.4.8
 h2==4.1.0
 idna==2.10
 priority==1.3.0
-pyopenSSL==21.0.0
+pyopenSSL==24.2.1
 pynacl==1.5.0
 pyotp==2.3.0
 python_gnupg==0.4.8
diff --git a/backend/requirements/requirements-noble.txt b/backend/requirements/requirements-noble.txt
index a6a78f9605..044a4d1476 100644
--- a/backend/requirements/requirements-noble.txt
+++ b/backend/requirements/requirements-noble.txt
@@ -4,7 +4,7 @@ fpdf2==2.7.8
 h2==4.1.0
 idna==3.6
 priority==2.0.0
-pyopenSSL==23.2.0
+pyopenSSL==24.2.1
 pynacl==1.5.0
 pyotp==2.9.0
 python_gnupg==0.5.2
diff --git a/client/app/src/app-guard.service.ts b/client/app/src/app-guard.service.ts
index 643731465a..7ccd5bc939 100644
--- a/client/app/src/app-guard.service.ts
+++ b/client/app/src/app-guard.service.ts
@@ -3,17 +3,18 @@ import {Router, UrlTree} from "@angular/router";
 import {Observable} from "rxjs";
 import {AuthenticationService} from "@app/services/helper/authentication.service";
 import {AppDataService} from "@app/app-data.service";
+import {UtilsService} from "@app/shared/services/utils.service";
 
 @Injectable({
   providedIn: "root"
 })
 export class SessionGuard {
-  constructor(private router: Router, private appDataService: AppDataService, public authenticationService: AuthenticationService) {
+  constructor(private router: Router, private appDataService: AppDataService, public authenticationService: AuthenticationService, protected utilsService: UtilsService) {
   }
 
   canActivate(): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {
     if (!this.authenticationService.session) {
-      this.router.navigateByUrl("/login").then();
+      this.utilsService.routeGuardRedirect();
       return false;
     } else {
       this.appDataService.page = this.router.url;
diff --git a/client/app/src/models/authentication/session.ts b/client/app/src/models/authentication/session.ts
index 7c3da163bf..2a79168c55 100644
--- a/client/app/src/models/authentication/session.ts
+++ b/client/app/src/models/authentication/session.ts
@@ -1,7 +1,4 @@
-import {redirectResolverModel} from "../resolvers/redirect-resolver-model";
-
 export class Session {
-  redirect: redirectResolverModel;
   id: string;
   role: string;
   encryption: boolean;
@@ -13,6 +10,7 @@ export class Session {
   two_factor: boolean;
   permissions: { can_upload_files: boolean };
   token: any;
+  redirect: string;
 }
 
 export interface Properties {
diff --git a/client/app/src/services/helper/authentication.service.ts b/client/app/src/services/helper/authentication.service.ts
index 1eca39fac2..b6faee93da 100644
--- a/client/app/src/services/helper/authentication.service.ts
+++ b/client/app/src/services/helper/authentication.service.ts
@@ -1,4 +1,4 @@
-import {Injectable} from "@angular/core";
+import {Injectable, SecurityContext} from "@angular/core";
 import {LoginDataRef} from "@app/pages/auth/login/model/login-model";
 import {HttpService} from "@app/shared/services/http.service";
 import {Observable} from "rxjs";
@@ -10,6 +10,8 @@ import {TitleService} from "@app/shared/services/title.service";
 import {HttpClient, HttpErrorResponse, HttpHeaders} from "@angular/common/http";
 import {NgbModal} from "@ng-bootstrap/ng-bootstrap";
 import {OtkcAccessComponent} from "@app/shared/modals/otkc-access/otkc-access.component";
+import {DomSanitizer} from '@angular/platform-browser';
+
 
 @Injectable({
   providedIn: "root"
@@ -21,7 +23,7 @@ export class AuthenticationService {
   requireAuthCode: boolean = false;
   loginData: LoginDataRef = new LoginDataRef();
 
-  constructor(private http: HttpClient, private modalService: NgbModal,private titleService: TitleService, private activatedRoute: ActivatedRoute, private httpService: HttpService, private appDataService: AppDataService, private router: Router) {
+  constructor(private http: HttpClient, private modalService: NgbModal,private titleService: TitleService, private activatedRoute: ActivatedRoute, private httpService: HttpService, private appDataService: AppDataService, private router: Router, private sanitizer: DomSanitizer) {
     this.init();
   }
 
@@ -101,9 +103,11 @@ export class AuthenticationService {
     requestObservable.subscribe(
       {
         next: (response: Session) => {
-          this.reset()
           if (response.redirect) {
-            this.router.navigate([response.redirect]).then();
+            response.redirect = this.sanitizer.sanitize(SecurityContext.URL, response.redirect) || '';
+	    if (response.redirect) {
+              this.router.navigate([response.redirect]).then();
+	    }
           }
           this.setSession(response);
           if (response && response && response.properties && response.properties.new_receipt) {
@@ -126,36 +130,39 @@ export class AuthenticationService {
             };
             return;
           }
-          const src = this.activatedRoute.snapshot.queryParams['src'];
-          if (src) {
-            this.router.navigate([src]).then();
-            location.replace(src);
+
+          if (this.session.role === "whistleblower") {
+            if (password) {
+              this.appDataService.receipt = password;
+              this.titleService.setPage("tippage");
+            } else if (this.session.properties.operator_session) {
+              this.router.navigate(['/']);
+            }
           } else {
-            if (this.session.role === "whistleblower") {
-              if (password) {
-                this.appDataService.receipt = password;
-                this.titleService.setPage("tippage");
-              } else if (this.session.properties.operator_session) {
-                this.router.navigate(['/']);
-              }
-            } else {
-              if (!callback) {
-                let redirect = this.activatedRoute.snapshot.queryParams['redirect'] || undefined;
-                this.reset();
-                redirect = this.activatedRoute.snapshot.queryParams['redirect'] || '/';
-                const redirectURL = decodeURIComponent(redirect);
-                if (redirectURL !== "/") {
-                  this.router.navigate([redirectURL]);
-                } else {
-                  this.appDataService.updateShowLoadingPanel(true);
-                  this.router.navigate([this.session.homepage], {
-                    queryParams: this.activatedRoute.snapshot.queryParams,
-                    queryParamsHandling: "merge"
-                  }).then();
-                }
+            if (!callback) {
+              this.reset();
+
+              let redirect = this.activatedRoute.snapshot.queryParams['redirect'] || undefined;
+              redirect = this.activatedRoute.snapshot.queryParams['redirect'] || '/';
+              redirect = decodeURIComponent(redirect);
+
+	      if (redirect !== "/") {
+                redirect = this.sanitizer.sanitize(SecurityContext.URL, redirect) || '';
+
+		// Honor only local redirects
+                if (redirect.startsWith("/")) {
+                  this.router.navigate([redirect]);
+		}
+              } else {
+                this.appDataService.updateShowLoadingPanel(true);
+                this.router.navigate([this.session.homepage], {
+                  queryParams: this.activatedRoute.snapshot.queryParams,
+                  queryParamsHandling: "merge"
+                }).then();
               }
             }
           }
+
           if (callback) {
             callback();
           }
diff --git a/client/app/src/shared/guards/receiver.guard.ts b/client/app/src/shared/guards/receiver.guard.ts
index 10e042b6c7..f9edc68f7a 100644
--- a/client/app/src/shared/guards/receiver.guard.ts
+++ b/client/app/src/shared/guards/receiver.guard.ts
@@ -16,7 +16,7 @@ export class ReceiverGuard {
     if (this.authenticationService.session) {
       if(this.authenticationService.session.role === "receiver"){
         this.appConfigService.setPage(this.router.url);
-      }else {
+      } else {
         this.router.navigateByUrl("/login").then();
       }
       return true;
diff --git a/client/app/src/shared/pipes/strip-html.pipe.ts b/client/app/src/shared/pipes/strip-html.pipe.ts
index 862056b007..3e6556e70d 100644
--- a/client/app/src/shared/pipes/strip-html.pipe.ts
+++ b/client/app/src/shared/pipes/strip-html.pipe.ts
@@ -1,4 +1,5 @@
 import {Pipe, PipeTransform} from "@angular/core";
+import * as DOMPurify from 'dompurify';
 
 @Pipe({
   name: "stripHtml"
@@ -6,6 +7,7 @@ import {Pipe, PipeTransform} from "@angular/core";
 export class StripHtmlPipe implements PipeTransform {
 
   transform(value: string): string {
-    return value.replace(/<[^>]*>?/gm, "");
+    // Use DOMPurify to sanitize input
+    return (DOMPurify as any).default.sanitize(value);
   }
-}
\ No newline at end of file
+}
diff --git a/client/package.json b/client/package.json
index c9cfe9918c..1dfa045497 100644
--- a/client/package.json
+++ b/client/package.json
@@ -45,6 +45,7 @@
     "@ngx-translate/core": "15.0.0",
     "@ngx-translate/http-loader": "8.0.0",
     "@types/angular": "1.8.9",
+    "@types/dompurify": "3.0.5",
     "@types/flowjs__flow.js": "2.13.3",
     "@types/lodash-es": "4.17.12",
     "@types/marked": "6.0.0",
@@ -54,6 +55,7 @@
     "angularx-qrcode": "18.0.2",
     "bootstrap": "5.3.3",
     "chart.js": "4.4.4",
+    "dompurify": "3.1.7",
     "lodash-es": "4.17.21",
     "ng-multiselect-dropdown": "1.0.0",
     "ng2-charts": "6.0.1",
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 42f683028e..eb8823244c 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:stable-slim
+FROM debian:bookworm-slim@sha256:36e591f228bb9b99348f584e83f16e012c33ba5cad44ef5981a1d7c0a93eca22
 
 RUN apt-get update -q && \
     apt-get dist-upgrade -y && \