chore: remove explicit URL decoding that causes crashes on K8s parameters

frontend/src/container/InfraMonitoringK8s/Clusters/K8sClustersList.tsx

@@ -27,7 +27,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -103,9 +103,10 @@ function K8sClustersList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/DaemonSets/K8sDaemonSetsList.tsx

@@ -28,7 +28,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -105,9 +105,10 @@ function K8sDaemonSetsList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/Deployments/K8sDeploymentsList.tsx

@@ -28,7 +28,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -106,9 +106,10 @@ function K8sDeploymentsList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/Jobs/K8sJobsList.tsx

@@ -28,7 +28,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -101,9 +101,10 @@ function K8sJobsList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/K8sHeader.tsx

@@ -10,6 +10,7 @@ import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteRe
 import { IBuilderQuery } from 'types/api/queryBuilder/queryBuilderData';
 import { DataSource } from 'types/common/queryBuilder';
 
+import { safeParseJSON } from './commonUtils';
 import { INFRA_MONITORING_K8S_PARAMS_KEYS, K8sCategory } from './constants';
 import K8sFiltersSidePanel from './K8sFiltersSidePanel/K8sFiltersSidePanel';
 import { IEntityColumn } from './utils';
@@ -58,9 +59,10 @@ function K8sHeader({
 		const urlFilters = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.FILTERS);
 		let { filters } = currentQuery.builder.queryData[0];
 		if (urlFilters) {
-			const decoded = decodeURIComponent(urlFilters);
+			const parsed = safeParseJSON<IBuilderQuery['filters']>(urlFilters);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			filters = parsed;
+				filters = parsed;
+			}
 		}
 		return {
 			...currentQuery,

frontend/src/container/InfraMonitoringK8s/Namespaces/K8sNamespacesList.tsx

@@ -27,7 +27,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -104,9 +104,10 @@ function K8sNamespacesList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/Nodes/K8sNodesList.tsx

@@ -27,7 +27,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -99,9 +99,10 @@ function K8sNodesList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/Pods/K8sPodLists.tsx

@@ -29,7 +29,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -92,9 +92,10 @@ function K8sPodsList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/StatefulSets/K8sStatefulSetsList.tsx

@@ -28,7 +28,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -105,9 +105,10 @@ function K8sStatefulSetsList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/Volumes/K8sVolumesList.tsx

@@ -28,7 +28,7 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { FeatureKeys } from '../../../constants/features';
 import { useAppContext } from '../../../providers/App/App';
-import { getOrderByFromParams } from '../commonUtils';
+import { getOrderByFromParams, safeParseJSON } from '../commonUtils';
 import {
 	GetK8sEntityToAggregateAttribute,
 	INFRA_MONITORING_K8S_PARAMS_KEYS,
@@ -105,9 +105,10 @@ function K8sVolumesList({
 	const [groupBy, setGroupBy] = useState<IBuilderQuery['groupBy']>(() => {
 		const groupBy = searchParams.get(INFRA_MONITORING_K8S_PARAMS_KEYS.GROUP_BY);
 		if (groupBy) {
-			const decoded = decodeURIComponent(groupBy);
+			const parsed = safeParseJSON<IBuilderQuery['groupBy']>(groupBy);
-			const parsed = JSON.parse(decoded);
+			if (parsed) {
-			return parsed as IBuilderQuery['groupBy'];
+				return parsed;
+			}
 		}
 		return [];
 	});

frontend/src/container/InfraMonitoringK8s/commonUtils.tsx

@@ -5,6 +5,7 @@
 /* eslint-disable prefer-destructuring */
 
 import { useMemo } from 'react';
+import * as Sentry from '@sentry/react';
 import { Color } from '@signozhq/design-tokens';
 import { Table, Tooltip, Typography } from 'antd';
 import { Progress } from 'antd/lib';
@@ -260,6 +261,27 @@ export const filterDuplicateFilters = (
 	return uniqueFilters;
 };
 
+export const safeParseJSON = <T,>(value: string): T | null => {
+	if (!value) {
+		return null;
+	}
+
+	try {
+		// Attempting to parse potentially untrusted user input from the URL.
+		// If the user pastes a corrupted link or modifies the URL manually (e.g., ?filters=invalidJSON),
+		// JSON.parse() will throw a SyntaxError. Without this try/catch block, that unhandled
+		// exception would bubble up during the React component render cycle and crash.
+		return JSON.parse(value) as T;
+	} catch (e) {
+		// By catching the SyntaxError, we gracefully degrade the user experience.
+		// Instead of crashing, the app ignores the malformed URL parameter and cleanly
+		// falls back to the default state (e.g., no filters applied).
+		console.error('Error parsing JSON from URL parameter:', e);
+		// TODO: Should we capture this error in Sentry?
+		return null;
+	}
+};
+
 export const getOrderByFromParams = (
 	searchParams: URLSearchParams,
 	returnNullAsDefault = false,
@@ -271,9 +293,12 @@ export const getOrderByFromParams = (
 		INFRA_MONITORING_K8S_PARAMS_KEYS.ORDER_BY,
 	);
 	if (orderByFromParams) {
-		const decoded = decodeURIComponent(orderByFromParams);
+		const parsed = safeParseJSON<{ columnName: string; order: 'asc' | 'desc' }>(
-		const parsed = JSON.parse(decoded);
+			orderByFromParams,
-		return parsed as { columnName: string; order: 'asc' | 'desc' };
+		);
+		if (parsed) {
+			return parsed;
+		}
 	}
 	if (returnNullAsDefault) {
 		return null;
@@ -287,13 +312,7 @@ export const getFiltersFromParams = (
 ): IBuilderQuery['filters'] | null => {
 	const filtersFromParams = searchParams.get(queryKey);
 	if (filtersFromParams) {
-		try {
+		return safeParseJSON<IBuilderQuery['filters']>(filtersFromParams);
-			const decoded = decodeURIComponent(filtersFromParams);
-			const parsed = JSON.parse(decoded);
-			return parsed as IBuilderQuery['filters'];
-		} catch (error) {
-			return null;
-		}
 	}
 	return null;
 };