diff --git a/mysql-test/suite/innodb/r/virtual_debug.result b/mysql-test/suite/innodb/r/virtual_debug.result
index 4e8bafcd46c..fa5ca423262 100644
--- a/mysql-test/suite/innodb/r/virtual_debug.result
+++ b/mysql-test/suite/innodb/r/virtual_debug.result
@@ -445,3 +445,15 @@ gc
 -1
 COMMIT;
 DROP TABLE t2;
+#
+# Bug#26330279 - ASSERT ON ROW_PURGE_REMOVE_SEC_IF_POSS_LEAF| INNOBASE/ROW/ROW0PURGE.CC
+#
+SET GLOBAL innodb_purge_stop_now=ON;
+CREATE TABLE t1 (col1 INT,
+col2 VARCHAR(100),
+col3 VARCHAR(80) GENERATED ALWAYS AS (SUBSTR(col2,1,70)),
+PRIMARY KEY (col1), UNIQUE KEY uidx(col3(10))) ENGINE = InnoDB;
+INSERT INTO t1(col1, col2) VALUES(1, CONCAT(1, REPEAT('z',90)));
+REPLACE INTO t1(col1, col2) SELECT col1, col2 FROM t1;
+SET GLOBAL innodb_purge_run_now=ON;
+DROP TABLE t1;
diff --git a/mysql-test/suite/innodb/t/virtual_debug.test b/mysql-test/suite/innodb/t/virtual_debug.test
index 4a0417663c7..81005533e4e 100644
--- a/mysql-test/suite/innodb/t/virtual_debug.test
+++ b/mysql-test/suite/innodb/t/virtual_debug.test
@@ -542,3 +542,22 @@ CONNECTION default;
 COMMIT;
 
 DROP TABLE t2;
+
+--echo #
+--echo # Bug#26330279 - ASSERT ON ROW_PURGE_REMOVE_SEC_IF_POSS_LEAF| INNOBASE/ROW/ROW0PURGE.CC
+--echo #
+
+SET GLOBAL innodb_purge_stop_now=ON;
+CREATE TABLE t1 (col1 INT,
+                 col2 VARCHAR(100),
+                 col3 VARCHAR(80) GENERATED ALWAYS AS (SUBSTR(col2,1,70)),
+                 PRIMARY KEY (col1), UNIQUE KEY uidx(col3(10))) ENGINE = InnoDB;
+
+INSERT INTO t1(col1, col2) VALUES(1, CONCAT(1, REPEAT('z',90)));
+
+REPLACE INTO t1(col1, col2) SELECT col1, col2 FROM t1;
+
+SET GLOBAL innodb_purge_run_now=ON;
+--source include/wait_innodb_all_purged.inc
+
+DROP TABLE t1;
diff --git a/storage/innobase/row/row0vers.cc b/storage/innobase/row/row0vers.cc
index f26c8cfb8f2..8e99ed19bd2 100644
--- a/storage/innobase/row/row0vers.cc
+++ b/storage/innobase/row/row0vers.cc
@@ -747,8 +747,21 @@ row_vers_vc_matches_cluster(
 					field2->len = ind_field->prefix_len;
 				}
 
-				/* The index field mismatch */
-				if (v_heap
+                                /* For multi-byte character sets (like utf8mb4)
+                                and index on prefix of varchar vcol, we log
+                                prefix_len * mbmaxlen bytes but the actual
+                                secondaary index record size can be less than
+                                that. For comparision, use actual length of
+                                secondary index record */
+                                uint8_t mbmax_len =
+                                    DATA_MBMAXLEN(field2->type.mbminmaxlen);
+                                if (ind_field->prefix_len != 0 &&
+                                    !dfield_is_null(field2) && mbmax_len > 1) {
+                                  field2->len = field1->len;
+                                }
+
+                                /* The index field mismatch */
+                                if (v_heap
 				    || cmp_dfield_dfield(field2, field1) != 0) {
 					if (v_heap) {
 						dtuple_dup_v_fld(*vrow, v_heap);