diff --git a/identity-server/src/IdentityServer/Extensions/HttpContextExtensions.cs b/identity-server/src/IdentityServer/Extensions/HttpContextExtensions.cs
index c7ff019b7..3c6df4833 100644
--- a/identity-server/src/IdentityServer/Extensions/HttpContextExtensions.cs
+++ b/identity-server/src/IdentityServer/Extensions/HttpContextExtensions.cs
@@ -66,7 +66,7 @@ public static class HttpContextExtensions
             if (currentSubId == logoutMessage.SubjectId)
             {
                 clientIds = clientIds.Union(await userSession.GetClientListAsync(context.RequestAborted));
-                var currentSamlSessions = await userSession.GetSamlSessionListAsync();
+                var currentSamlSessions = await userSession.GetSamlSessionListAsync(context.RequestAborted);
                 samlSessions = samlSessions.Union(currentSamlSessions).ToList();
             }
 
@@ -86,7 +86,7 @@ public static class HttpContextExtensions
         {
             // see if current user has any clients they need to signout of
             var clientIds = await userSession.GetClientListAsync(context.RequestAborted);
-            var samlSessions = await userSession.GetSamlSessionListAsync();
+            var samlSessions = await userSession.GetSamlSessionListAsync(context.RequestAborted);
             var samlEntityIds = samlSessions.Select(s => s.EntityId);
 
             if ((clientIds.Any() && await AnyClientHasFrontChannelLogout(clientIds)) ||
diff --git a/identity-server/src/IdentityServer/Services/Default/DefaultIdentityServerInteractionService.cs b/identity-server/src/IdentityServer/Services/Default/DefaultIdentityServerInteractionService.cs
index ded94b020..31bca16ea 100644
--- a/identity-server/src/IdentityServer/Services/Default/DefaultIdentityServerInteractionService.cs
+++ b/identity-server/src/IdentityServer/Services/Default/DefaultIdentityServerInteractionService.cs
@@ -82,7 +82,7 @@ internal class DefaultIdentityServerInteractionService : IIdentityServerInteract
         if (user != null)
         {
             var clientIds = await _userSession.GetClientListAsync(ct);
-            var samlSessions = await _userSession.GetSamlSessionListAsync();
+            var samlSessions = await _userSession.GetSamlSessionListAsync(ct);
             if (clientIds.Any() || samlSessions.Any())
             {
                 var sid = await _userSession.GetSessionIdAsync(ct);
diff --git a/identity-server/src/IdentityServer/Services/IUserSession.cs b/identity-server/src/IdentityServer/Services/IUserSession.cs
index e201f0b23..c785dc836 100644
--- a/identity-server/src/IdentityServer/Services/IUserSession.cs
+++ b/identity-server/src/IdentityServer/Services/IUserSession.cs
@@ -68,21 +68,24 @@ public interface IUserSession
     /// Adds a SAML SP session to the user's session.
     /// </summary>
     /// <param name="session">The SAML session data.</param>
+    /// <param name="ct">The cancellation token.</param>
     /// <remarks>
     /// Session data is stored in AuthenticationProperties. For deployments with many SAML service providers,
     /// server-side sessions should be enabled to avoid cookie size limitations.
     /// See <see cref="SamlSpSessionData"/> for details.
     /// </remarks>
-    Task AddSamlSessionAsync(SamlSpSessionData session);
+    Task AddSamlSessionAsync(SamlSpSessionData session, Ct ct);
 
     /// <summary>
     /// Gets the list of SAML SP sessions for the user's session.
     /// </summary>
-    Task<IEnumerable<SamlSpSessionData>> GetSamlSessionListAsync();
+    /// <param name="ct">The cancellation token.</param>
+    Task<IEnumerable<SamlSpSessionData>> GetSamlSessionListAsync(Ct ct);
 
     /// <summary>
     /// Removes a SAML SP session by EntityId.
     /// </summary>
     /// <param name="entityId">The SP's entity ID.</param>
-    Task RemoveSamlSessionAsync(string entityId);
+    /// <param name="ct">The cancellation token.</param>
+    Task RemoveSamlSessionAsync(string entityId, Ct ct);
 }
diff --git a/identity-server/src/IdentityServer/Validation/Default/EndSessionRequestValidator.cs b/identity-server/src/IdentityServer/Validation/Default/EndSessionRequestValidator.cs
index b21e13389..2cc96b166 100644
--- a/identity-server/src/IdentityServer/Validation/Default/EndSessionRequestValidator.cs
+++ b/identity-server/src/IdentityServer/Validation/Default/EndSessionRequestValidator.cs
@@ -150,7 +150,7 @@ public class EndSessionRequestValidator : IEndSessionRequestValidator
                 validatedRequest.SessionId = await UserSession.GetSessionIdAsync(ct);
                 validatedRequest.ClientIds = await UserSession.GetClientListAsync(ct);
 
-                var samlSessions = await UserSession.GetSamlSessionListAsync();
+                var samlSessions = await UserSession.GetSamlSessionListAsync(ct);
                 validatedRequest.SamlSessions = samlSessions;
             }
 
@@ -183,7 +183,7 @@ public class EndSessionRequestValidator : IEndSessionRequestValidator
             validatedRequest.SessionId = await UserSession.GetSessionIdAsync(ct);
             validatedRequest.ClientIds = await UserSession.GetClientListAsync(ct);
 
-            var samlSessions = await UserSession.GetSamlSessionListAsync();
+            var samlSessions = await UserSession.GetSamlSessionListAsync(ct);
             validatedRequest.SamlSessions = samlSessions;
         }