diff --git a/test/cases/testdata/cryptox509parseandverifycertificates/test-cryptox509parseandverifycertificates.yaml b/test/cases/testdata/cryptox509parseandverifycertificates/test-cryptox509parseandverifycertificates.yaml
new file mode 100644
index 0000000000..a01fce8061
--- /dev/null
+++ b/test/cases/testdata/cryptox509parseandverifycertificates/test-cryptox509parseandverifycertificates.yaml
@@ -0,0 +1,138 @@
+cases:
+- data:
+  modules:
+    - |
+      package test
+      
+      import future.keywords
+      
+      certs := `-----BEGIN CERTIFICATE-----
+      MIIBoDCCAUagAwIBAgIRAJXcMYZALXooNq/VV/grXhMwCgYIKoZIzj0EAwIwLjER
+      MA8GA1UEChMIT1BBIFRlc3QxGTAXBgNVBAMTEE9QQSBUZXN0IFJvb3QgQ0EwHhcN
+      MjEwNzAxMTc0MTUzWhcNMzEwNjI5MTc0MTUzWjAuMREwDwYDVQQKEwhPUEEgVGVz
+      dDEZMBcGA1UEAxMQT1BBIFRlc3QgUm9vdCBDQTBZMBMGByqGSM49AgEGCCqGSM49
+      AwEHA0IABFqhdZA5LjsJgzsBvhgzfayZFOk+C7PmGCi7xz6zOC3xWORJZSNOyZeJ
+      YzSKFmoMZkcFMfslTW1jp9fwe1xl3HWjRTBDMA4GA1UdDwEB/wQEAwIBBjASBgNV
+      HRMBAf8ECDAGAQH/AgEBMB0GA1UdDgQWBBTch60qxQvLl+AfDfcaXmjvT8GvpzAK
+      BggqhkjOPQQDAgNIADBFAiBqraIP0l2U0oNuH0+rf36hDks94wSB5EGlGH3lYNMR
+      ugIhANkbukX5hOP8pJDRWP/pYuv6MBnRY4BS8gpp9Vu31qOb
+      -----END CERTIFICATE-----
+      -----BEGIN CERTIFICATE-----
+      MIIByDCCAW6gAwIBAgIQC0k4DPGrh9me73EJX5zntTAKBggqhkjOPQQDAjAuMREw
+      DwYDVQQKEwhPUEEgVGVzdDEZMBcGA1UEAxMQT1BBIFRlc3QgUm9vdCBDQTAeFw0y
+      MTA3MDExNzQxNTNaFw0zMTA2MjkxNzQxNTNaMDYxETAPBgNVBAoTCE9QQSBUZXN0
+      MSEwHwYDVQQDExhPUEEgVGVzdCBJbnRlcm1lZGlhdGUgQ0EwWTATBgcqhkjOPQIB
+      BggqhkjOPQMBBwNCAARvXQa7fy476gDI81nqLYb2SnD459WxBmU0hk2bA3ZuNtI+
+      H20KXz6ISmxH3MZ2WBm6rOy7y4Gn+WMCJuxzcl5jo2YwZDAOBgNVHQ8BAf8EBAMC
+      AQYwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQUuslZNjJl0V8I1Gj17IID
+      ALy/9WEwHwYDVR0jBBgwFoAU3IetKsULy5fgHw33Gl5o70/Br6cwCgYIKoZIzj0E
+      AwIDSAAwRQIgUwsYApW9Tsm6AstWswaKGie0srB4FUkUbfKwWmUI2JgCIQCBTySN
+      MF+EiQAMKyz/N9KUuXEckC356WvKcyJaYYcV0w==
+      -----END CERTIFICATE-----
+      -----BEGIN CERTIFICATE-----
+      MIIB8zCCAZqgAwIBAgIRAID4gPKg7DDiuOfzUYFSXLAwCgYIKoZIzj0EAwIwNjER
+      MA8GA1UEChMIT1BBIFRlc3QxITAfBgNVBAMTGE9QQSBUZXN0IEludGVybWVkaWF0
+      ZSBDQTAeFw0yMTA3MDUxNzQ5NTBaFw0zNjA3MDExNzQ5NDdaMCUxIzAhBgNVBAMT
+      Gm5vdGFyZWFsc2l0ZS5vcGEubG9jYWxob3N0MFkwEwYHKoZIzj0CAQYIKoZIzj0D
+      AQcDQgAE1YSXZXeaGGL+XeYyoPi/QdA39Ds4fgxSHJTMh+js393kByPm2PNtFkem
+      tUii3KCRJw3SEh3z0JWr/9y4+ua2L6OBmTCBljAOBgNVHQ8BAf8EBAMCB4AwHQYD
+      VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMB0GA1UdDgQWBBRL0P0g17viZHo9
+      CnXe3ZQJm48LXTAfBgNVHSMEGDAWgBS6yVk2MmXRXwjUaPXsggMAvL/1YTAlBgNV
+      HREEHjAcghpub3RhcmVhbHNpdGUub3BhLmxvY2FsaG9zdDAKBggqhkjOPQQDAgNH
+      ADBEAiAtmZewL94ijN0YwUGaJM9BXCaoTQPwkzugqjCj+K912QIgKKFvbPu4asrE
+      nwy7dzejHmQUcZ/aUNbc4VTbiv15ESk=
+      -----END CERTIFICATE-----
+      `
+      
+      value := crypto.x509.parse_and_verify_certificates(certs)
+
+      result := {
+        "valid": value[0],
+        "certs": [c|
+          some cert in value[1]
+          c := {
+            "CN": cert.Subject.CommonName,
+            "DNS": cert.DNSNames,
+            "URI": cert.URIStrings,
+          }
+        ],
+      }
+
+  note: cryptox509parseandverifycertificates/base_case
+  query: data.test.result = x
+  want_result:
+    - x:
+        certs:
+          - CN: notarealsite.opa.localhost
+            DNS:
+              - notarealsite.opa.localhost
+            URI:
+          - CN: OPA Test Intermediate CA
+            DNS:
+            URI:
+          - CN: OPA Test Root CA
+            DNS:
+            URI:
+        valid: true
+- data:
+  modules:
+    - |
+      package test
+      
+      import future.keywords
+      
+      certs := `-----BEGIN CERTIFICATE-----
+      MIIB1TCCAXugAwIBAgIIKIoxsnMwJJ4wCgYIKoZIzj0EAwIwPTELMAkGA1UEBhMC
+      R0IxEDAOBgNVBAoTB0V4YW1wbGUxHDAaBgNVBAUTEzI5MjEyMDE5NTA4MDk2NjI2
+      MjIwIBcNMjMxMTI5MTc1NTQ2WhgPMjEyMzExMDUxNzU1NDZaMD0xCzAJBgNVBAYT
+      AkdCMRAwDgYDVQQKEwdFeGFtcGxlMRwwGgYDVQQFExMyOTIxMjAxOTUwODA5NjYy
+      NjIyMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEkvI9ddM0SuP9LvBWS1y64fuK
+      ELCjVF5W3FSKm3azKEkDi8Eq1I1UM80MgCjC5ChNNyM4+cmVUDrCkTl3SqRxa6Nj
+      MGEwDgYDVR0PAQH/BAQDAgIEMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFF7H
+      A8n3mXXnwUP0ypMJ9JwY5wasMB8GA1UdEQQYMBaGFHNwaWZmZTovL2V4YW1wbGUu
+      Y29tMAoGCCqGSM49BAMCA0gAMEUCIByB2l5RIWmaU8qcRv13qigbB9BV/F2raEk+
+      pRQnsUcgAiEA9OvBpPKC/FBkI5vVvR7WgK5sGPna4+a0RkXxRQgN2jM=
+      -----END CERTIFICATE-----
+      -----BEGIN CERTIFICATE-----
+      MIIB1jCCAXygAwIBAgIIV9914tIKKkMwCgYIKoZIzj0EAwIwPTELMAkGA1UEBhMC
+      R0IxEDAOBgNVBAoTB0V4YW1wbGUxHDAaBgNVBAUTEzI5MjEyMDE5NTA4MDk2NjI2
+      MjIwIBcNMjMxMTI5MTc1NTQ2WhgPMjEyMjExMDUxNzU1NDZaMD0xCzAJBgNVBAYT
+      AkdCMRAwDgYDVQQKEwdFeGFtcGxlMRwwGgYDVQQFExM2MzMxOTA5MjE4MTUzMTQ2
+      OTQ3MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEMoy2UqvC8zL3sPfLNvG1nX5p
+      6hhEyDjFtokORB4VkKiPXFryIFn8XHG0ipz6aKSwVMoDT2T/YXP/wWpVwPJCi6Nk
+      MGIwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcD
+      ATAMBgNVHRMBAf8EAjAAMCMGA1UdEQQcMBqGGHNwaWZmZTovL2V4YW1wbGUuY29t
+      L29wYTAKBggqhkjOPQQDAgNIADBFAiBEmdSKGj2+9J5SQPIAmwdxpVTOxqmVQv2x
+      Vvita/AmowIhAOyX/alNJxL4iCfKUNwlC2lYxGhuWopWgB1Q32bQhTEh
+      -----END CERTIFICATE-----
+      `
+      
+      value := crypto.x509.parse_and_verify_certificates(certs)
+
+      result := {
+        "valid": value[0],
+        "certs": [c|
+          some cert in value[1]
+          c := {
+            "CN": cert.Subject.CommonName,
+            "DNS": cert.DNSNames,
+            "URI": cert.URIStrings,
+          }
+        ],
+      }
+
+  note: cryptox509parseandverifycertificates/uri_strings
+  query: data.test.result = x
+  want_result:
+    - x:
+        certs:
+          - CN: ''
+            DNS: null
+            URI:
+              - spiffe://example.com/opa
+          - CN: ''
+            DNS: null
+            URI:
+              - spiffe://example.com
+        valid: true
+
diff --git a/test/cases/testdata/cryptox509parsecertificates/test-cryptox509parsecertificates-raw-uris.yaml b/test/cases/testdata/cryptox509parsecertificates/test-cryptox509parsecertificates-raw-uris.yaml
new file mode 100644
index 0000000000..131c86da5f
--- /dev/null
+++ b/test/cases/testdata/cryptox509parsecertificates/test-cryptox509parsecertificates-raw-uris.yaml
@@ -0,0 +1,26 @@
+cases:
+- data:
+  modules:
+  - |
+    package generated
+
+    certs = "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"
+
+    uri_strings = crypto.x509.parse_certificates(certs)[0].URIStrings
+  note: cryptox509parsecertificates/uri_strings
+  query: data.generated.uri_strings = x
+  want_result:
+    - x:
+        - spiffe://example.com/opa
+- data:
+  modules:
+    - |
+      package generated
+      
+      certs = "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"
+      
+      uri_strings = crypto.x509.parse_certificates(certs)[0].URIStrings
+  note: cryptox509parsecertificates/uri_strings_no_uris
+  query: data.generated.uri_strings = x
+  want_result:
+    - x: null
diff --git a/topdown/crypto.go b/topdown/crypto.go
index c33abb2c93..520c051860 100644
--- a/topdown/crypto.go
+++ b/topdown/crypto.go
@@ -56,7 +56,7 @@ func builtinCryptoX509ParseCertificates(_ BuiltinContext, operands []*ast.Term,
 		return err
 	}
 
-	v, err := ast.InterfaceToValue(certs)
+	v, err := ast.InterfaceToValue(extendCertificates(certs))
 	if err != nil {
 		return err
 	}
@@ -64,6 +64,28 @@ func builtinCryptoX509ParseCertificates(_ BuiltinContext, operands []*ast.Term,
 	return iter(ast.NewTerm(v))
 }
 
+// extendedCert is a wrapper around x509.Certificate that adds additional fields for JSON serialization.
+type extendedCert struct {
+	x509.Certificate
+	URIStrings []string
+}
+
+func extendCertificates(certs []*x509.Certificate) []extendedCert {
+	// add a field to certs containing the URIs as strings
+	processedCerts := make([]extendedCert, len(certs))
+
+	for i, cert := range certs {
+		processedCerts[i].Certificate = *cert
+		if cert.URIs != nil {
+			processedCerts[i].URIStrings = make([]string, len(cert.URIs))
+			for j, uri := range cert.URIs {
+				processedCerts[i].URIStrings[j] = uri.String()
+			}
+		}
+	}
+	return processedCerts
+}
+
 func builtinCryptoX509ParseAndVerifyCertificates(_ BuiltinContext, operands []*ast.Term, iter func(*ast.Term) error) error {
 
 	a := operands[0].Value
@@ -87,7 +109,7 @@ func builtinCryptoX509ParseAndVerifyCertificates(_ BuiltinContext, operands []*a
 		return iter(invalid)
 	}
 
-	value, err := ast.InterfaceToValue(verified)
+	value, err := ast.InterfaceToValue(extendCertificates(verified))
 	if err != nil {
 		return err
 	}