diff --git a/apps/dashboard/pkg/apis/dashboard/cuevalidator/validator.go b/apps/dashboard/pkg/apis/dashboard/cuevalidator/validator.go
index 38792ade026..2a3c075eb56 100644
--- a/apps/dashboard/pkg/apis/dashboard/cuevalidator/validator.go
+++ b/apps/dashboard/pkg/apis/dashboard/cuevalidator/validator.go
@@ -4,26 +4,65 @@ import (
 	"sync"
 
 	"cuelang.org/go/cue"
+	"cuelang.org/go/cue/cuecontext"
 	cuejson "cuelang.org/go/encoding/json"
 )
 
-// Validator provides thread-safe CUE schema validation.
+const (
+	// maxValidations limits how many validations can use the same context before it's recreated.
+	// This prevents unbounded memory growth while still allowing schema reuse for performance.
+	// After this many validations, the context is discarded and a new one is created.
+	maxValidations = 100
+)
+
+// Validator provides thread-safe CUE schema validation with periodic context recreation.
 //
 // CUE is not safe for concurrent use: https://github.com/cue-lang/cue/discussions/1205#discussioncomment-1189238
 // This validator uses a mutex to protect concurrent access to the underlying CUE validation.
+//
+// To prevent memory leaks from CUE's internal caching, we reuse a context for up to maxValidations
+// validations, then recreate it. This balances performance (schema reuse) with memory safety
+// (periodic garbage collection of cached values).
+//
+// See https://github.com/grafana/grafana/issues/114344#issuecomment-3605562491 for details
+// about the memory leak issue and this fix.
 type Validator struct {
-	schema cue.Value
-	mu     sync.Mutex
+	schemaSource    string
+	schemaPath      cue.Path
+	mu              sync.Mutex
+	ctx             *cue.Context
+	compiledSchema  cue.Value
+	validationCount int
 }
 
-func NewValidator(schema cue.Value) *Validator {
+// NewValidatorFromSource creates a new validator from a schema source string and path.
+// This prevents memory leaks by periodically recreating the CUE context after maxValidations uses.
+func NewValidatorFromSource(schemaSource string, schemaPath cue.Path) *Validator {
+	cueCtx := cuecontext.New()
+	compiledSchema := cueCtx.CompileString(schemaSource).LookupPath(schemaPath)
 	return &Validator{
-		schema: schema,
+		schemaSource:   schemaSource,
+		schemaPath:     schemaPath,
+		ctx:            cueCtx,
+		compiledSchema: compiledSchema,
 	}
 }
 
 func (v *Validator) Validate(data []byte) error {
 	v.mu.Lock()
 	defer v.mu.Unlock()
-	return cuejson.Validate(data, v.schema)
+
+	// Increment validation count
+	v.validationCount++
+
+	// If we've reached the maximum number of validations, recreate the context
+	if v.validationCount >= maxValidations {
+		// Recreate context to allow GC to reclaim cached values
+		v.ctx = cuecontext.New()
+		v.compiledSchema = v.ctx.CompileString(v.schemaSource).LookupPath(v.schemaPath)
+		v.validationCount = 0
+	}
+
+	// Validate using the current compiled schema
+	return cuejson.Validate(data, v.compiledSchema)
 }
diff --git a/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go b/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go
index a90eab95126..295797a2fb5 100644
--- a/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go
+++ b/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go
@@ -12,7 +12,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 
 	"cuelang.org/go/cue"
-	"cuelang.org/go/cue/cuecontext"
 	"cuelang.org/go/cue/errors"
 )
 
@@ -83,11 +82,13 @@ var schemaSource string
 
 func getValidator() *cuevalidator.Validator {
 	getSchemaOnce.Do(func() {
-		cueCtx := cuecontext.New()
-		compiledSchema := cueCtx.CompileString(schemaSource).LookupPath(
+		// The validator uses periodic context recreation to prevent memory leaks.
+		// The context is reused for up to 100 validations, then recreated to allow
+		// garbage collection of cached values while maintaining good performance.
+		validator = cuevalidator.NewValidatorFromSource(
+			schemaSource,
 			cue.ParsePath("lineage.schemas[0].schema.spec"),
 		)
-		validator = cuevalidator.NewValidator(compiledSchema)
 	})
 
 	return validator
diff --git a/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go b/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go
index 248dc27111c..0b57f702409 100644
--- a/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go
+++ b/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go
@@ -10,7 +10,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 
 	"cuelang.org/go/cue"
-	"cuelang.org/go/cue/cuecontext"
 	"cuelang.org/go/cue/errors"
 
 	"github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/cuevalidator"
@@ -84,11 +83,13 @@ var schemaSource string
 
 func getValidator() *cuevalidator.Validator {
 	getSchemaOnce.Do(func() {
-		cueCtx := cuecontext.New()
-		compiledSchema := cueCtx.CompileString(schemaSource).LookupPath(
+		// The validator uses periodic context recreation to prevent memory leaks.
+		// The context is reused for up to 100 validations, then recreated to allow
+		// garbage collection of cached values while maintaining good performance.
+		validator = cuevalidator.NewValidatorFromSource(
+			schemaSource,
 			cue.ParsePath("lineage.schemas[0].schema.spec"),
 		)
-		validator = cuevalidator.NewValidator(compiledSchema)
 	})
 
 	return validator
diff --git a/apps/dashboard/pkg/apis/dashboard/v2alpha1/validation.go b/apps/dashboard/pkg/apis/dashboard/v2alpha1/validation.go
index ca9dcd3e514..71f2e6d08e1 100644
--- a/apps/dashboard/pkg/apis/dashboard/v2alpha1/validation.go
+++ b/apps/dashboard/pkg/apis/dashboard/v2alpha1/validation.go
@@ -10,7 +10,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 
 	"cuelang.org/go/cue"
-	"cuelang.org/go/cue/cuecontext"
 	"cuelang.org/go/cue/errors"
 
 	"github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/cuevalidator"
@@ -133,11 +132,13 @@ var schemaSource string
 
 func getValidator() *cuevalidator.Validator {
 	getSchemaOnce.Do(func() {
-		cueCtx := cuecontext.New()
-		compiledSchema := cueCtx.CompileString(schemaSource).LookupPath(
+		// The validator uses periodic context recreation to prevent memory leaks.
+		// The context is reused for up to 100 validations, then recreated to allow
+		// garbage collection of cached values while maintaining good performance.
+		validator = cuevalidator.NewValidatorFromSource(
+			schemaSource,
 			cue.ParsePath("DashboardSpec"),
 		)
-		validator = cuevalidator.NewValidator(compiledSchema)
 	})
 
 	return validator
diff --git a/apps/dashboard/pkg/apis/dashboard/v2beta1/validation.go b/apps/dashboard/pkg/apis/dashboard/v2beta1/validation.go
index 518c133bcd7..875be7b4beb 100644
--- a/apps/dashboard/pkg/apis/dashboard/v2beta1/validation.go
+++ b/apps/dashboard/pkg/apis/dashboard/v2beta1/validation.go
@@ -10,7 +10,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 
 	"cuelang.org/go/cue"
-	"cuelang.org/go/cue/cuecontext"
 	"cuelang.org/go/cue/errors"
 
 	"github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/cuevalidator"
@@ -133,11 +132,13 @@ var schemaSource string
 
 func getValidator() *cuevalidator.Validator {
 	getSchemaOnce.Do(func() {
-		cueCtx := cuecontext.New()
-		compiledSchema := cueCtx.CompileString(schemaSource).LookupPath(
+		// The validator uses periodic context recreation to prevent memory leaks.
+		// The context is reused for up to 100 validations, then recreated to allow
+		// garbage collection of cached values while maintaining good performance.
+		validator = cuevalidator.NewValidatorFromSource(
+			schemaSource,
 			cue.ParsePath("DashboardSpec"),
 		)
-		validator = cuevalidator.NewValidator(compiledSchema)
 	})
 
 	return validator